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1. |
Solve  |
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A. |
n =  |
B. |
n = 2 |
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C. |
n =  |
D. |
n = 9 |
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Hint |
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2. |
You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam for a mean of 80? |
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A. |
100 |
B. |
80 |
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C. |
93 |
D. |
97 |
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Hint |
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3. |
In order to save for a new computer and printer, Joseph has a summer job working at the marina where he earns $8.50 per hour. His weekly earnings are listed in the table below. The computer he wants costs $1575, and the printer costs $225. Joseph has to earn at least how much more money, m, in order to be able to afford the computer and printer? |
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 |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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4. |
Simplify  Assume the denominator is not equal to zero. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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5. |
A company e-mails the daily cafeteria menu to its employees at a random time between 8:00 a.m. and 9:00 a.m. What is the probability that the menu will be e-mailed between 8:00 a.m. and 8:20 a.m.? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
Evaluate 5(11 + 22 - 10) – 19. |
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A. |
106 |
B. |
6 |
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C. |
44 |
D. |
66 |
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Hint |
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7. |
Find the solution of 4x + 10 = 42
if the replacement set is {6, 7, 8, 9}. |
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A. |
6 |
B. |
8 |
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C. |
7 |
D. |
9 |
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Hint |
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8. |
Find  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
Solve –14n = -112. |
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A. |
n = 1568 |
B. |
n = 8 |
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C. |
n = -1568 |
D. |
n = -8 |
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Hint |
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10. |
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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11. |
In how many different ways can someone arrange 8 books on a shelf? |
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A. |
362,880 |
B. |
40,320 |
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C. |
36 |
D. |
4,096 |
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Hint |
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12. |
The table shows the results when a number cube was rolled. What is the experimental probability of rolling a five? |
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 |
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A. |
 |
B. |
 |
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C. |
|
D. |
 |
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Hint |
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13. |
The table shows the results of rolling a number cube over three separate experiments. What is the experimental probability of rolling a two for all three experiments? |
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 |
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A. |
 |
B. |
 |
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C. |
|
D. |
 |
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Hint |
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14. |
Which expression is equivalent to ((32)4)3? |
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A. |
99 |
B. |
2712 |
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C. |
96 |
D. |
816 |
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Hint |
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15. |
Which measure of variation does not depend on the mean? |
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A. |
variance |
B. |
standard deviation |
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C. |
mode |
D. |
range |
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Hint |
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16. |
What appears to happen in the graph? |
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 |
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A. |
Production has doubled each month. |
B. |
Production increased each month. |
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C. |
Production has decreased slightly. |
D. |
Production dropped in half each month. |
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Hint |
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17. |
How could the graph be changed so it is not misleading? |
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|
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A. |
Change the graph from vertical to horizontal. |
B. |
Make the graph start at 0 to see all of the bars. |
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C. |
Write out the entire names of the months. |
D. |
Change the color. |
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Hint |
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18. |
Which is a graph showing the set of real numbers greater than or equal to 4? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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19. |
Calculate 6P3 |
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A. |
3 |
B. |
24 |
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C. |
120 |
D. |
140 |
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Hint |
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20. |
Calculate 12P3 |
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A. |
1320 |
B. |
1420 |
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C. |
660 |
D. |
40 |
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Hint |
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