The graph below shows the prices of different numbers of swimsuits at a store:

y

^
115 ||
92 |..*……|
69 |*..|
46 |………..*|
23 |….*.|
||-> x

0 2 4 6 8 10

which equation can be used to determine p, the cost of s swimsuits?

p = 11.50 + s

s = 11.50 + p

s = 11.50p

p = 11.50s

question 2(multiple choice worth 5 points)

(07.02 mc)

if ben has 4 more than twice as many stamps as jake, which of the following expressions shows the number of stamps ben has?

4s + 2, where s is the number of stamps jake has

4s + 2, where s is the number of stamps ben has

2s + 4, where s is the number of stamps jake has

2s + 4, where s is the number of stamps ben has

question 4(multiple choice worth 5 points)

(08.02 lc)

after conducting a survey of all her classmates, midge discovers that the amount of money everyone spends buying books each month has a mean of $30. what does the mean say about the amount her classmates spend on books?

half of her classmates spend exactly $30 per month buying books.

half of her classmates spend more than $30 per month buying books.

the majority of her classmates spend $30 per month buying books.

if the amount spent on books per month by all her the classmates is leveled, that amount would be $30.

question 6(multiple choice worth 5 points)

(08.02 mc)

what is the mean absolute deviation for 9, 7, 6, 8, 7, and 5?

1

2

6

7

question 7(multiple choice worth 5 points)

(07.09a lc)

the table below shows the proportional relationship between the weight of yogurt, in ounces, and the number of packs of yogurt:

number of packs of yogurt

number of ounces of yogurt

2 36

3 54

5 90

what is the constant of proportionality?

10

18

36

57

question 8(multiple choice worth 5 points)

(07.10a mc)

the regular price of a tablet case is $38.45. during a sale, the case was marked as 25% off. what was the approximate price of the case during the sale?

$1.54

$9.61

$28.84

$38.70

question 9(multiple choice worth 5 points)

(07.07 lc)

a bus pass costs $5 per week. which of the following equations shows the total cost in dollars, t, of the bus pass for a certain number of weeks, w?

t = 5w

w = 5t

t = 5 + w

w = 5 + t

question 10(multiple choice worth 5 points)

(07.03 mc)

lola saved $86.25 in 3 months. she saved $30.75 in the first month and $7.99 in the second month. how much money did lola save in the third month?

$38.74

$47.51

$48.51

$63.49

question 13(multiple choice worth 5 points)

(07.09a mc)

the price of tomatoes at a farm is $0.54 per pound. which equation can be used to determine c, the total price of n pounds of tomatoes?

c = 0.54n

c = 0.54 + n

c = 0.54 − n

question 15(multiple choice worth 5 points)

(08.01 lc)

philip is conducting a survey to determine the weight of 100 cows on a farm. which of the following questions is an appropriate statistical question for this survey?

what is the weight of each cow on the farm?

how many cows on the farm are overweight?

what is the average age of the cows on the farm?

what is the number of cows that have normal body weight?

question 16(multiple choice worth 5 points)

(07.10a mc)

jade measured the height of an art frame as 5.23 feet, but the actual height was 6 feet. what is the percent of error in jade’s measurement?

12.83%

13.55%

14.72%

15.55%

question 18(multiple choice worth 5 points)

(07.04 lc)

what is the solution to the equation 1/3x = 6?

x = 18

x = 2

x = 1/2

x = 1/18

question 19(multiple choice worth 5 points)

(07.10a hc)

if a sprinkler waters 1/15 of a lawn in 1/5 hour, how much time will it take to water the entire lawn?

2 hours

3 hours

10 hours

15 hours