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1. |
Which pair of ratios forms a proportion? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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2. |
Solve the proportion  |
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A. |
13 |
B. |
52.5 |
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C. |
24 |
D. |
0.02 |
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Hint |
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3. |
Solve the proportion  |
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A. |
2 |
B. |
 |
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C. |
1 |
D. |
-6 |
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Hint |
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4. |
Solve the proportion for the value of z to the nearest hundredth. |
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A. |
2.56 |
B. |
2.10 |
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C. |
1.34 |
D. |
0.39 |
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Hint |
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5. |
What is the probability that you roll an odd number on a six-sided number cube? |
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A. |
3:1 |
B. |
1:1 |
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C. |
 |
D. |
 |
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Hint |
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6. |
Simplify Assume the denominator is not equal to zero. |
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A. |
5xy2 |
B. |
 |
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C. |
1 |
D. |
5xy8 |
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Hint |
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7. |
This game board is made up of concentric circles. The center circle has a diameter of 4 inches. Each successive ring has a radius 2 inches greater than the ring before. Find the probability of scoring 80 points. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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8. |
A bag contains 10 blue marbles, 7 white marbles, 6 red marbles, and 2 green marbles. What is the probability of randomly selecting a blue marble? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
Which relationship would most likely have a negative correlation? |
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A. |
A person's height and the person's shoe size. |
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B. |
The number of miles driven, and the number of gallons of gas in the car. |
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C. |
A person's age, and the address of the person. |
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D. |
The number of pizzas ordered, and the total price of the bill. |
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Hint |
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10. |
Which relationship would most likely have no correlation? |
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A. |
A person's height and the person's shoe size. |
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B. |
The number of pizzas ordered, and the total price of the bill. |
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C. |
A person's age, and the address of the person. |
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D. |
The number of miles driven, and the number of gallons of gas in the car. |
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Hint |
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11. |
Evaluate z – (2yz + y) · y if y = -3 and z = 2. |
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A. |
47 |
B. |
23 |
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C. |
9 |
D. |
-43 |
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Hint |
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12. |
Find . |
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A. |
 |
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B. |
 |
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C. |
 |
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D. |
 |
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Hint |
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13. |
Find B – A. |
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A. |
 |
B. |
 |
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C. |
impossible |
D. |
 |
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Hint |
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14. |
How many different two-person teams can be made from 6 people? |
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A. |
30 |
B. |
120 |
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C. |
15 |
D. |
360 |
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Hint |
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15. |
Baseball players are trying to show that they deserve more money. Their owner is paying 10 of them $1 million, 8 of them $2 million, and 3 of them $15 million. To support their case, which measure of central tendency should they use? |
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A. |
standard deviation |
B. |
mean |
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C. |
mode |
D. |
median |
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Hint |
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16. |
Find the mean of the data in the stem-and-leaf plot. |
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A. |
67 |
B. |
77 |
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C. |
99 |
D. |
78 |
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Hint |
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17. |
Simplify . |
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A. |
2b + 4 |
B. |
2b + 8 |
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C. |
4b + 4 |
D. |
6b |
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Hint |
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18. |
Which is a graph showing the set of real numbers greater than ? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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19. |
Solve  |
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A. |
-11 |
B. |
-5 |
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C. |
19 |
D. |
13 |
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Hint |
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20. |
How many ways can you arrange the letters a, e, i, o, u, and y? |
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A. |
360 |
B. |
180 |
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C. |
1440 |
D. |
720 |
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Hint |
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