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. 8 C. 12 D. 16 Hint 2. What is the last step in the 4-step plan to solve problems? A. Explore B. Examine C. Solve D. Plan Hint 3. Evaluate (6 – 3) · 2. A. 1 B. 6 C. 9 D. 0 Hint 4. Evaluate 2(15 – 6) – 3 · 6. A. 36 B. 6 C. –18 D. 0 Hint 5. 3.5 g = ______mg A. 0.35 B. 0.0035 C. 350 D. 3,500 Hint 6. Write 120,000,000 in scientific notation. A. 1.2×109 B. 1.2×108 C. 12×107 D. 0.12×109 Hint 7. Name the operation that should be done first in the expression9 × (7 – 3) ÷ 2. A. subtraction B. multiplication C. division D. addition Hint 8. In physics, the number measures the force of gravity between two objects when a and b each stand for the mass one of the objects and d stands for the distance between them. Find the force of gravity when a = 5, b = 8, and d = 2. A. 40 B. 20 C. 10 D. 5 Hint 9. Evaluate y3 if y = 4. A. 64 B. 12 C. 43 D. 16 Hint 10. Solve 3x = 36. A. 12 B. 14 C. 13 D. 6 Hint 11. Solve m - 5 = 9. A. 12 B. 14 C. 15 D. 13 Hint 12. Multiply 45.3 × 102. A. 4,530 B. 453 C. 0.453 D. 4.53 Hint 13. 67.2 m = ______ cm A. 0.672 B. 6,720 C. 67,200 D. 672 Hint 14. Write 45,870,320 in scientific notation. A. 45.87032 × 107 B. 45.87032 × 106 C. 4.587032 × 107 D. 4.587032 × 108 Hint 15. Write 1,360,000,000,000 in scientific notation. A. 13.6 × 1012 B. 1.36 × 1013 C. 1.36 × 1012 D. 0.136 × 1013 Hint 16. Which symbol makes the following statement true?1.55 × 104 ______ 15,000 A. B. > C. = D. < Hint 17. Find the next term in the sequence 83, 92, 101, 110, … A. 119 B. 111 C. 121 D. 55 Hint 18. Graph the solution of 11 + y = 28 on a number line. A. B. C. D. Hint 19. Graph the solution of 18 = on a number line. A. B. C. D. Hint 20. Mrs. Robinson bought each of her two daughters a red, white, and blue striped sweater. Her total came to \$33.30. Find an equation that shows how much each sweater cost. Use s to represent of the cost of 1 sweater. A. s - 2 = 33.3 B. 2s = 33.3 C. 2 + s = 33.3 D. = 33.3 Hint