1. Which number is a solution to x + 7 = 16? A. 23 B. 9 C. 10 D. 8 Hint 2. Solve (-5)2 = c. A. 10 B. -25 C. 25 D. -10 Hint 3. Write an inequality for the sentence three times a number is less than 45. A. 3x 45 B. 3x < 45 C. 3x > 45 D. 3 + x < 45 Hint 4. Evaluate x + 5y if x = 12 and y = 9. A. 153 B. 47 C. 57 D. 71 Hint 5. 57 mL = ______ L A. 0.57 B. 0.0057 C. 57,000 D. 0.057 Hint 6. In what month will Classic Comics probably begin to make more than \$150 on the Internet? A. September B. November C. December D. October Hint 7. The median is the __________ of a set of numbers. A. middle number B. arithmetic average C. highest number D. most frequent number Hint 8. 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. mode B. median C. mean D. range Hint 9. Which fraction is when written in simplest form? A. B. C. D. Hint 10. Express as a percent. A. 90% B. 80% C. 60% D. 20% Hint 11. For membership to an athletic club, it costs \$150 to join and \$28 per month of membership. Write an equation to figure out how many months it will be before the total cost is \$290. A. 28 + 290m = 150 B. 290 = 150m + 28 C. 150 = 290 + 28m D. 150 + 28m = 290 Hint 12. Use the Distributive Property to find 3(13 + 5) written as an equivalent expression. A. 3(18) B. 3 + 13 + 3 + 5 C. 3 + 13 × 3 + 5 D. 3(13) + 3(5) Hint 13. The scatter plot shows the number of students per computer in U.S. public schools. Assume the number of students stays the same throughout the years. Choose the statement that best describes the data. A. There are more computers in schools in 2000 than their were in 1990. B. Their are more computers in schools in 1990 than their were in 2000. C. In the future, their will be more students per computer. D. In the future, their will be 0 students per computer. Hint 14. The stem-and-leaf plot shows the bowling scores of one round of a bowling meet. Find the true statement. A. Their were a total of 15 bowlers who participated in the meet. B. The range of the bowling scores is 33. C. The bowling score of 168 is an outlier of the data. D. Only one bowler scored in the 170-179 point range. Hint 15. 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; there is no break in the vertical scale, the cost of heating the house in December and February are about the same. 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; the months are not ordered from greatest to least cost. D. Graph B; the months are not ordered from least to greatest cost. Hint 16. Simplify 16 + y + (-20). A. y - 36 B. y + (-4) C. 4 + (-y) D. 4 + y Hint 17. Simplify -5(4y). A. 9y B. -20y C. -9y D. -y Hint 18. Factor 20ef. A. 22 · e · f B. 4 · 5 · e · f C. 2 · 10 · e · f D. 2 · 2 · 5 · e · f Hint 19. The table shows approximately the number of mobile phone users in each age group. Find the number of phone users aged 18-24 as a fraction of the number of mobile phone users aged 35-54 in simplest form. A. B. C. D. Hint 20. Graph y = 5 + x. A. B. C. D. Hint