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No calculator
A phone plan costs 37 dollars a month plus 15 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 30 dollars a month plus 6 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 38 dollars a month plus 12 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 38 dollars a month plus 9 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 24 dollars a month plus 8 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 23 dollars a month plus 5 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 24 dollars a month plus 13 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 16 dollars a month plus 6 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 34 dollars a month plus 5 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 15 dollars a month plus 5 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 31 dollars a month plus 11 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 19 dollars a month plus 11 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 27 dollars a month plus 5 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 29 dollars a month plus 11 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 39 dollars a month plus 10 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 36 dollars a month plus 5 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 26 dollars a month plus 7 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 32 dollars a month plus 12 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 35 dollars a month plus 7 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 28 dollars a month plus 12 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 35 dollars a month plus 5 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 16 dollars a month plus 12 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 38 dollars a month plus 6 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 37 dollars a month plus 12 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 22 dollars a month plus 15 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 15 dollars a month plus 14 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 24 dollars a month plus 7 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 36 dollars a month plus 13 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 30 dollars a month plus 13 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 34 dollars a month plus 6 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 20 dollars a month plus 10 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 18 dollars a month plus 12 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 27 dollars a month plus 7 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 35 dollars a month plus 11 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 35 dollars a month plus 8 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 34 dollars a month plus 8 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 22 dollars a month plus 10 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 24 dollars a month plus 14 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 26 dollars a month plus 13 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 35 dollars a month plus 14 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 21 dollars a month plus 8 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 17 dollars a month plus 14 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 29 dollars a month plus 8 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 19 dollars a month plus 10 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 33 dollars a month plus 7 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 18 dollars a month plus 15 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 29 dollars a month plus 5 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 27 dollars a month plus 15 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 21 dollars a month plus 10 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
A phone plan costs 32 dollars a month plus 15 cents per text. Maya wants a model for her monthly bill. Which is the best definition of the variable?
1. Let n be the number of texts Maya sends in one month
2. Let n be texts
3. Let n be the cost of one text
No calculator

Solve $3x + 3 = -18$ . $x = \;?$
No calculator

A survey asked 145 people whether they exercise weekly. Under 30: 22 yes, 43 no. Age 30 or over: 27 yes, 53 no. What proportion of the under-30s exercise weekly?
No calculator

$f(x) = 2x^2 + 3$ . Find $f(-3)$ .
No calculator
A table gives $x = 0, 1, 2, 3$ and $y = 4, 12, 36, 108$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 3 at each step
2. Linear: $y$ goes up by 8 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 8, 24, 72, 216$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 3 at each step
2. Linear: $y$ goes up by 16 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 7, 14, 28, 56$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 2 at each step
2. Linear: $y$ goes up by 7 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 5, 15, 45, 135$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 3 at each step
2. Linear: $y$ goes up by 10 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 5, 10, 20, 40$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 2 at each step
2. Linear: $y$ goes up by 5 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 4, 20, 100, 500$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 5 at each step
2. Linear: $y$ goes up by 16 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 2, 4, 8, 16$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 2 at each step
2. Linear: $y$ goes up by 2 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 7, 28, 112, 448$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 4 at each step
2. Linear: $y$ goes up by 21 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 2, 10, 50, 250$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 5 at each step
2. Linear: $y$ goes up by 8 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 6, 30, 150, 750$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 5 at each step
2. Linear: $y$ goes up by 24 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 4, 8, 16, 32$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 2 at each step
2. Linear: $y$ goes up by 4 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 3, 15, 75, 375$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 5 at each step
2. Linear: $y$ goes up by 12 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 8, 16, 32, 64$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 2 at each step
2. Linear: $y$ goes up by 8 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 9, 18, 36, 72$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 2 at each step
2. Linear: $y$ goes up by 9 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 5, 20, 80, 320$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 4 at each step
2. Linear: $y$ goes up by 15 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 7, 35, 175, 875$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 5 at each step
2. Linear: $y$ goes up by 28 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 3, 9, 27, 81$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 3 at each step
2. Linear: $y$ goes up by 6 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 3, 6, 12, 24$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 2 at each step
2. Linear: $y$ goes up by 3 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 7, 21, 63, 189$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 3 at each step
2. Linear: $y$ goes up by 14 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 6, 12, 24, 48$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 2 at each step
2. Linear: $y$ goes up by 6 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 6, 24, 96, 384$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 4 at each step
2. Linear: $y$ goes up by 18 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 9, 45, 225, 1125$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 5 at each step
2. Linear: $y$ goes up by 36 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 4, 16, 64, 256$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 4 at each step
2. Linear: $y$ goes up by 12 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 5, 25, 125, 625$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 5 at each step
2. Linear: $y$ goes up by 20 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 2, 8, 32, 128$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 4 at each step
2. Linear: $y$ goes up by 6 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 2, 6, 18, 54$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 3 at each step
2. Linear: $y$ goes up by 4 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 9, 36, 144, 576$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 4 at each step
2. Linear: $y$ goes up by 27 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 6, 18, 54, 162$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 3 at each step
2. Linear: $y$ goes up by 12 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 8, 32, 128, 512$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 4 at each step
2. Linear: $y$ goes up by 24 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 8, 40, 200, 1000$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 5 at each step
2. Linear: $y$ goes up by 32 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 9, 27, 81, 243$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 3 at each step
2. Linear: $y$ goes up by 18 at each step
3. Neither
A table gives $x = 0, 1, 2, 3$ and $y = 3, 12, 48, 192$ . What kind of relationship is it?
1. Exponential: $y$ is multiplied by 4 at each step
2. Linear: $y$ goes up by 9 at each step
3. Neither
No calculator

A tile pattern has 6, 9, 14 and 21 tiles in steps 1 to 4 (a square of tiles plus 5 extra). How many tiles are in step 10?
No calculator

Solve $x^2 = 100$ . Enter all solutions.
No calculator
Put the steps for constructing the perpendicular bisector of a segment AB of length 7 cm in order.
- With the compass point on A, draw an arc with a radius of more than half of AB
- Keep the same opening; with the point on B, draw an arc that crosses the first one twice
- Label the two crossing points P and Q
- Draw the line through P and Q with the straightedge
Put the steps for constructing the perpendicular bisector of a segment AB of length 9 cm in order.
- With the compass point on A, draw an arc with a radius of more than half of AB
- Keep the same opening; with the point on B, draw an arc that crosses the first one twice
- Label the two crossing points P and Q
- Draw the line through P and Q with the straightedge
Put the steps for constructing the perpendicular bisector of a segment AB of length 6 cm in order.
- With the compass point on A, draw an arc with a radius of more than half of AB
- Keep the same opening; with the point on B, draw an arc that crosses the first one twice
- Label the two crossing points P and Q
- Draw the line through P and Q with the straightedge
Put the steps for constructing the perpendicular bisector of a segment AB of length 4 cm in order.
- With the compass point on A, draw an arc with a radius of more than half of AB
- Keep the same opening; with the point on B, draw an arc that crosses the first one twice
- Label the two crossing points P and Q
- Draw the line through P and Q with the straightedge
Put the steps for constructing the perpendicular bisector of a segment AB of length 10 cm in order.
- With the compass point on A, draw an arc with a radius of more than half of AB
- Keep the same opening; with the point on B, draw an arc that crosses the first one twice
- Label the two crossing points P and Q
- Draw the line through P and Q with the straightedge
Put the steps for constructing the perpendicular bisector of a segment AB of length 5 cm in order.
- With the compass point on A, draw an arc with a radius of more than half of AB
- Keep the same opening; with the point on B, draw an arc that crosses the first one twice
- Label the two crossing points P and Q
- Draw the line through P and Q with the straightedge
Put the steps for constructing the perpendicular bisector of a segment AB of length 8 cm in order.
- With the compass point on A, draw an arc with a radius of more than half of AB
- Keep the same opening; with the point on B, draw an arc that crosses the first one twice
- Label the two crossing points P and Q
- Draw the line through P and Q with the straightedge
No calculator

$\triangle ABC \cong \triangle DEF$ with $AB = 3$ , $BC = 11$ and $CA = 18$ . Find $DE$ .
A distribution of incomes has mean 54 thousand dollars and median 43 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 59 thousand dollars and median 54 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 58 thousand dollars and median 46 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 73 thousand dollars and median 59 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 54 thousand dollars and median 46 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 50 thousand dollars and median 44 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 57 thousand dollars and median 49 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 68 thousand dollars and median 53 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 60 thousand dollars and median 55 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 69 thousand dollars and median 58 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 68 thousand dollars and median 57 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 51 thousand dollars and median 46 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 49 thousand dollars and median 41 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 72 thousand dollars and median 60 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 67 thousand dollars and median 58 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 61 thousand dollars and median 56 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 60 thousand dollars and median 52 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 52 thousand dollars and median 45 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 51 thousand dollars and median 42 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 57 thousand dollars and median 46 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 55 thousand dollars and median 41 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 53 thousand dollars and median 48 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 59 thousand dollars and median 47 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 65 thousand dollars and median 51 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 63 thousand dollars and median 55 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 64 thousand dollars and median 56 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 62 thousand dollars and median 49 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 55 thousand dollars and median 43 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 55 thousand dollars and median 44 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 62 thousand dollars and median 48 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 70 thousand dollars and median 60 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 63 thousand dollars and median 58 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 61 thousand dollars and median 54 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 53 thousand dollars and median 44 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 52 thousand dollars and median 44 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 65 thousand dollars and median 53 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 66 thousand dollars and median 58 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 61 thousand dollars and median 55 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 74 thousand dollars and median 59 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 51 thousand dollars and median 40 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 65 thousand dollars and median 60 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 60 thousand dollars and median 54 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 58 thousand dollars and median 48 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 57 thousand dollars and median 50 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 68 thousand dollars and median 55 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 66 thousand dollars and median 54 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 52 thousand dollars and median 42 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 67 thousand dollars and median 52 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 53 thousand dollars and median 41 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
A distribution of incomes has mean 69 thousand dollars and median 55 thousand dollars. What is its most likely shape?
1. Skewed right: a long tail of high values pulls the mean up
2. Skewed left
3. Symmetric
How many inches are in 5 feet? (1 foot = 12 inches)
Solve $7x + 9y = 23$ for $y$ . $y = \;?$
Of 40 drivers who texted, 30 had a near-miss; of 40 who did not text, 10 had one. Is there an association between texting and near-misses in these data?
1. Yes: 75% of texters vs 25% of non-texters had a near-miss
2. No: both groups have 40 drivers
3. Yes, and it proves texting causes near-misses
Of 44 drivers who texted, 33 had a near-miss; of 44 who did not text, 11 had one. Is there an association between texting and near-misses in these data?
1. Yes: 75% of texters vs 25% of non-texters had a near-miss
2. No: both groups have 44 drivers
3. Yes, and it proves texting causes near-misses
Of 20 drivers who texted, 15 had a near-miss; of 20 who did not text, 5 had one. Is there an association between texting and near-misses in these data?
1. Yes: 75% of texters vs 25% of non-texters had a near-miss
2. No: both groups have 20 drivers
3. Yes, and it proves texting causes near-misses
Of 32 drivers who texted, 24 had a near-miss; of 32 who did not text, 8 had one. Is there an association between texting and near-misses in these data?
1. Yes: 75% of texters vs 25% of non-texters had a near-miss
2. No: both groups have 32 drivers
3. Yes, and it proves texting causes near-misses
Of 60 drivers who texted, 45 had a near-miss; of 60 who did not text, 15 had one. Is there an association between texting and near-misses in these data?
1. Yes: 75% of texters vs 25% of non-texters had a near-miss
2. No: both groups have 60 drivers
3. Yes, and it proves texting causes near-misses
Of 28 drivers who texted, 21 had a near-miss; of 28 who did not text, 7 had one. Is there an association between texting and near-misses in these data?
1. Yes: 75% of texters vs 25% of non-texters had a near-miss
2. No: both groups have 28 drivers
3. Yes, and it proves texting causes near-misses
Of 64 drivers who texted, 48 had a near-miss; of 64 who did not text, 16 had one. Is there an association between texting and near-misses in these data?
1. Yes: 75% of texters vs 25% of non-texters had a near-miss
2. No: both groups have 64 drivers
3. Yes, and it proves texting causes near-misses
Of 56 drivers who texted, 42 had a near-miss; of 56 who did not text, 14 had one. Is there an association between texting and near-misses in these data?
1. Yes: 75% of texters vs 25% of non-texters had a near-miss
2. No: both groups have 56 drivers
3. Yes, and it proves texting causes near-misses
Of 48 drivers who texted, 36 had a near-miss; of 48 who did not text, 12 had one. Is there an association between texting and near-misses in these data?
1. Yes: 75% of texters vs 25% of non-texters had a near-miss
2. No: both groups have 48 drivers
3. Yes, and it proves texting causes near-misses
Of 72 drivers who texted, 54 had a near-miss; of 72 who did not text, 18 had one. Is there an association between texting and near-misses in these data?
1. Yes: 75% of texters vs 25% of non-texters had a near-miss
2. No: both groups have 72 drivers
3. Yes, and it proves texting causes near-misses
Of 68 drivers who texted, 51 had a near-miss; of 68 who did not text, 17 had one. Is there an association between texting and near-misses in these data?
1. Yes: 75% of texters vs 25% of non-texters had a near-miss
2. No: both groups have 68 drivers
3. Yes, and it proves texting causes near-misses
Of 76 drivers who texted, 57 had a near-miss; of 76 who did not text, 19 had one. Is there an association between texting and near-misses in these data?
1. Yes: 75% of texters vs 25% of non-texters had a near-miss
2. No: both groups have 76 drivers
3. Yes, and it proves texting causes near-misses
Of 36 drivers who texted, 27 had a near-miss; of 36 who did not text, 9 had one. Is there an association between texting and near-misses in these data?
1. Yes: 75% of texters vs 25% of non-texters had a near-miss
2. No: both groups have 36 drivers
3. Yes, and it proves texting causes near-misses
Of 24 drivers who texted, 18 had a near-miss; of 24 who did not text, 6 had one. Is there an association between texting and near-misses in these data?
1. Yes: 75% of texters vs 25% of non-texters had a near-miss
2. No: both groups have 24 drivers
3. Yes, and it proves texting causes near-misses
Of 52 drivers who texted, 39 had a near-miss; of 52 who did not text, 13 had one. Is there an association between texting and near-misses in these data?
1. Yes: 75% of texters vs 25% of non-texters had a near-miss
2. No: both groups have 52 drivers
3. Yes, and it proves texting causes near-misses
Of 80 drivers who texted, 60 had a near-miss; of 80 who did not text, 20 had one. Is there an association between texting and near-misses in these data?
1. Yes: 75% of texters vs 25% of non-texters had a near-miss
2. No: both groups have 80 drivers
3. Yes, and it proves texting causes near-misses
Find the average rate of change of $f(x) = 3x^2$ from $x = 0$ to $x = 6$ .
An arithmetic sequence has $a_1 = 14$ and common difference 2. Find $a_{ 43 }$ .
Expand $(x + 6)(x + 9)$ . What is the coefficient of $x$ ?
Solve $x(x - 3) = 0$ . Enter all solutions.
Translate the point $A(-4, -4)$ by 2 units right and 1 units down. Tap its image $A'$ .
Two triangles have two pairs of equal sides (3 cm and 5 cm) and the angles between those sides equal. Which criterion shows they are congruent?
1. SAS
2. SSA
3. AAA
Two triangles have two pairs of equal sides (9 cm and 11 cm) and the angles between those sides equal. Which criterion shows they are congruent?
1. SAS
2. SSA
3. AAA
Two triangles have two pairs of equal sides (5 cm and 7 cm) and the angles between those sides equal. Which criterion shows they are congruent?
1. SAS
2. SSA
3. AAA
Two triangles have two pairs of equal sides (4 cm and 6 cm) and the angles between those sides equal. Which criterion shows they are congruent?
1. SAS
2. SSA
3. AAA
Two triangles have two pairs of equal sides (6 cm and 8 cm) and the angles between those sides equal. Which criterion shows they are congruent?
1. SAS
2. SSA
3. AAA
Two triangles have two pairs of equal sides (8 cm and 10 cm) and the angles between those sides equal. Which criterion shows they are congruent?
1. SAS
2. SSA
3. AAA
Two triangles have two pairs of equal sides (7 cm and 9 cm) and the angles between those sides equal. Which criterion shows they are congruent?
1. SAS
2. SSA
3. AAA
Dilate $A(3, 1)$ about the origin with scale factor 2. Tap its image.

Answers

Let n be the number of texts Maya sends in one month
$-7$
$\frac{22}{65}$
$21$
Exponential: $y$ is multiplied by 3 at each step
$105$
$10,\ -10$
1. With the compass point on A, draw an arc with a radius of more than half of AB 2. Keep the same opening; with the point on B, draw an arc that crosses the first one twice 3. Label the two crossing points P and Q 4. Draw the line through P and Q with the straightedge
$3$
Skewed right: a long tail of high values pulls the mean up
$60$
$\frac{23}{9} - \frac{7 x}{9}$
Yes: 75% of texters vs 25% of non-texters had a near-miss
$18$
$98$
$15$
$0,\ 3$
$(-2, -5)$
SAS
$(6, 2)$