1. Find the solution of 72 + z = 84 if the value of z can be selected from the set {4, 8, 12, 16}. A. 4 B. 12 C. 16 D. 8 Hint 2. Evaluate if a = 5, b = 6 and c = 3. A. 10 B. C. 3 D. 30 Hint 3. Write 24 as a product. A. 2 · 2 · 2 · 2 B. 4 + 4 C. 2 + 2 + 2 + 2 D. 4 · 4 Hint 4. Choose an appropriate scale for the data 31, 25, 37, 41, and 38. A. 31-38 B. 0-50 C. 25-41 D. 0-100 Hint 5. Evaluate y3 if y = 4. A. 64 B. 12 C. 43 D. 16 Hint 6. Multiply 45.3 × 102. A. 0.453 B. 4,530 C. 4.53 D. 453 Hint 7. How much money do you predict Classic Comics will make on the Internet in July? A. \$110 B. \$120 C. \$130 D. \$100 Hint 8. In what month will Classic Comics probably begin to make more than \$150 on the Internet? A. October B. November C. September D. December Hint 9. Are there any clusters in this data? A. No, there are no clusters. B. Yes, 5-20. C. Yes, 11-15. D. Yes, 5-8 and 14-18. Hint 10. Find the interquartile range of the data. A. 10 B. 7 C. 5 D. 17 Hint 11. Which statistic gives the most meaningful information about what price you should expect to pay for a certain baseball bat if the following data are a set of prices at different stores for the bat. {10, 10, 10, 10, 10.50, 11, 12, 14, 18}. A. median B. mode C. range D. mean Hint 12. Write 45 as a product of the same factor. A. 5 · 5 · 5 · 5 B. 5 · 5 · 5 · 5 · 5 C. 4 · 4 · 4 · 4 · 4 D. 4 · 4 · 4 · 4 Hint 13. Evaluate 60 ÷ 12 + 2(13 - 7). A. 2.5 B. 6 C. 22 D. 17 Hint 14. Which property represents 5 × (6 × 3) = (5 × 6) × 3? A. Associative Property of Multiplication. B. Associative Property of Addition. C. Commutative Property of Multiplication D. Distributive Property Hint 15. Choose the sequence that is arithmetic. A. 1, 1, 2, 3, … B. 17, 29, 41, 53, … C. 4, 12, 36, 108, … D. 5, 7, 12, 18, … Hint 16. Which set of numbers is ordered from least to greatest? A. 1.01 × 106; 1.0 × 107; 10,100,000; 101,000,000 B. 10,100,000; 101,000,000; 1.01 × 106; 1.0 × 107 C. 10,100,000; 1.01 × 106; 101,000,000; 1.0 × 107 D. 101,000,000; 10,100,000; 1.0 × 107; 1.01 × 106; Hint 17. The frequency table shows the height of drops of several waterfalls in the United States. How many waterfalls have a drop of 599 feet or less? A. 18 B. 5 C. 6 D. 21 Hint 18. Which bar graph shows the number of endangered species by group in the U.S.? A. B. C. D. Hint 19. The table shows the heights of U.S. Presidents. Which is a histogram of the data? A. B. C. D. Hint 20. Both bar graphs show the amount it costs to heat a two-story house during the winter. Which graph is misleading? Explain. A. Graph A; the months are not ordered from greatest to least cost. B. Graph B; there is a break in the vertical scale, the cost of heating the house in January appears to be much greater than heating the house in November. C. Graph A; there is no break in the vertical scale, the cost of heating the house in December and February are about the same. D. Graph B; the months are not ordered from least to greatest cost. Hint