1.
(07.01 lc)
which of the following values in the set below will make the equation 3x + 5 = 8 true? (only input the number.)
{0, 1, 2, 3, 4} (1 point)

2.
(07.01 mc)
greg needs $51 to go on a field trip. he has saved $12.75. he earns $6.50 per hour cleaning his neighbor's garden, and he earns $5.25 per hour selling cakes at a store. can greg go on the field trip if he works at the garden for 2 hours and at the store for 5 hours?
(use the inequality 6.50x + 5.25y + 12.75 ≥ 51.) (1 point)

yes, because the total will be $62

yes, because the total will be $52

no, because the total will be $50

no, because the total will be $49

3.
(07.01 mc)
a set of numbers is shown:
{0, 1.4, 3.2, 4, 8, 12}
which of the following shows all the numbers from the set that make the inequality 5x + 3 ≥ 23 true? (1 point)

{8, 12}

{0, 1.4, 3.2}

{4, 8, 12}

{0, 3.2, 4}

4.
(07.02 lc)
kazan recycles 9 plastic bags every week. which expression shows the total number of plastic bags he recycles in w weeks? (1 point)

9w

9 + w

9 + 9w

5.
(07.02 mc)
sasha bought shoes for $38.88 and x pairs of socks for $1.87 each. which expression shows the total money spent? (1 point)

38.88 + 1.87x

38.88x + 1.87

38.88x + 1.87x

38.88 + 1.87 + x

6.
(07.02 mc)
cruz's age is 3 years less than 9 times cody's age. if cody's age is x years, which expression best shows cruz's age? (1 point)

6x

9x - 3

x - 6

3x - 9

7.
(07.03 lc)
what is the solution to the equation x + 8.5 = 64.5? (1 point)

7.6

48

56

73

8.
(07.03 mc)
jacks, jase, and jett together sold 69 tickets for the school banquet. jacks sold 18 tickets, and jase sold 19 tickets. how many tickets did jett sell? (1 point)

32

37

50

51

9.
(07.03 mc)
elena has $77 to spend. she buys basketball match tickets for $20.10 and a watch for $10.39. elena buys a sweater with the remaining money. how many dollars does elena spend on buying the sweater? (1 point)

$10.05

$30.49

$46.51

$66.61

10.
(07.04 lc)
the solution to 15x = 30 is x = . (only input the number.) (1 point)

11.
(07.04 lc)
what is the solution to the equation ? (1 point)

n = 2

n = 4

n = 12

n = 32

12.
(07.04 mc)
what is the solution to the equation ? (1 point)

x = 8

x = 42

x = 54

x = 288

13.
(07.06 lc)
if the greatest value of n is 7, which inequality best shows all the possible values of n? (1 point)

n < 7

n > 7

n ≥ 7

n ≤ 7

14.
(07.06 mc)
milna needs at least $32 to buy a science kit. she already has $14. which graph best represents all the possible dollar amounts that milna can save to buy the science kit? (1 point)

15.
(07.06 mc)
a group of students must collect at least $120 to organize a science fair. they have already collected $20. which graph best represents the possible amounts of money the students still need to collect? (1 point)

16.
(07.07 lc)
a cheetah runs at a speed of 50 miles for every hour. if the distance traveled, in miles, is d and time, in hours, is t, which equation shows the relationship between d and t? (1 point)

t = 50d

d = 50 + t

d = 50t

t = 50 + d

17.
(07.07 mc)
a recipe requires 5.5 teaspoons of sugar to make a cheesecake. which equation shows the number of teaspoons of sugar, y, needed to make x cheesecakes? (1 point)

x = 5.5y

y = 5.5 + x

y = 5.5x

x = 5.5 + y

18.
(07.08 lc)
the table below shows the values of y for different values of x:
x
y
0
0
1
4
2
8
3
12

which equation shows the relationship between x and y? (1 point)

x = 4y

y = 4 + x

y = 4x

x = 4 + y

19.
(07.08 mc)
the graph below shows the price, y, in dollars, of different number of pounds of dried coffee, x:

which equation best represents the relationship between x and y? (1 point)

y = x + 10

y = 10x

y = x + 5

y = 5x

20.
(07.08 hc)
the graph below shows the distances, in miles, that a dragonfly can travel in a certain number of hours:

based on the graph, what is the dependent variable, what is the equation relating the two variables, and how far will the dragonfly travel in 24 hours if it continues to fly at the same speed? (1 point)

the dependent variable is distance, the equation is x = 35y, and the dragonfly will travel 920 miles.

the dependent variable is distance, the equation is y = 35x, and the dragonfly will travel 840 miles.

the dependent variable is time, the equation is x = 35y, and the dragonfly will travel 920 miles.

the dependent variable is time, the equation is y = 35x, and the dragonfly will travel 840 miles.

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