1. Solve A. n = B. n = 2 C. n = D. n = 9 Hint 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? A. 100 B. 80 C. 93 D. 97 Hint 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? A. B. C. D. Hint 4. Simplify Assume the denominator is not equal to zero. A. B. C. D. Hint 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.? A. B. C. D. Hint 6. Evaluate 5(11 + 22 - 10) – 19. A. 106 B. 6 C. 44 D. 66 Hint 7. Find the solution of 4x + 10 = 42 if the replacement set is {6, 7, 8, 9}. A. 6 B. 8 C. 7 D. 9 Hint 8. Find A. B. C. D. Hint 9. Solve –14n = -112. A. n = 1568 B. n = 8 C. n = -1568 D. n = -8 Hint 10. Find . A. B. C. D. Hint 11. In how many different ways can someone arrange 8 books on a shelf? A. 362,880 B. 40,320 C. 36 D. 4,096 Hint 12. The table shows the results when a number cube was rolled. What is the experimental probability of rolling a five? A. B. C. D. Hint 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? A. B. C. D. Hint 14. Which expression is equivalent to ((32)4)3? A. 99 B. 2712 C. 96 D. 816 Hint 15. Which measure of variation does not depend on the mean? A. variance B. standard deviation C. mode D. range Hint 16. What appears to happen in the graph? A. Production has doubled each month. B. Production increased each month. C. Production has decreased slightly. D. Production dropped in half each month. Hint 17. How could the graph be changed so it is not misleading? A. Change the graph from vertical to horizontal. B. Make the graph start at 0 to see all of the bars. C. Write out the entire names of the months. D. Change the color. Hint 18. Which is a graph showing the set of real numbers greater than or equal to 4? A. B. C. D. Hint 19. Calculate 6P3 A. 3 B. 24 C. 120 D. 140 Hint 20. Calculate 12P3 A. 1320 B. 1420 C. 660 D. 40 Hint