1. Insert parentheses to make the equation 9 + 6 × 2 ÷ 3 – 1 = 12 true. A. (9 + 6 × 2) ÷ 3 - 1 = 12 B. (9 + 6) × 2 ÷ 3 - 1 = 12 C. 9 + 6 × 2 ÷ (3 - 1) = 12 D. 9 + (6 × 2) ÷ 3 - 1 = 12 Hint 2. An example of the Commutative Property of Addition is ______________. A. 2(4 · 6) = (2 · 4)6 B. 2 · 4 = 4 · 2 C. 2 + (4 + 6) = (2 + 4) + 6 D. 2 + 4 = 4 + 2 Hint 3. Solve the equation a = (–5) + 13. A. –18 B. –8 C. 8 D. 18 Hint 4. How do you find successive terms in the pattern 0, 3, 9, 18, 30, … ? A. Add the next multiple of 3 to the term. B. Add 3 to each term. C. Multiply a term by 3 and add it to itself. D. Add each term to the previous term. Hint 5. Patti's sport utility vehicle averages 20 miles per gallon of gasoline. If she takes a 750-mile trip, how much gasoline will she use? A. 31.25 gal B. 34.75 gal C. 41 gal D. 37.5 gal Hint 6. Jonathan is earning money for a camping trip by mowing lawns in his neighborhood. He charges \$15 per lawn. He already has \$60 saved, but wants to have at least \$300. How many lawns must Jonathan mow to meet his goal? A. m 16 B. m = 20 C. m 20 D. m = 16 Hint 7. Choose the false statement. A. No odd numbers are divisible by 4. B. All multiples of 9 are divisible by 3 because 9 = 3 × 3. C. If a number is divisible by 2 then it is divisible by 4 because 4 = 2 × 2. D. Since 10 = 2 × 5, a number divisible by 10 is also divisible by 2 and by 5. Hint 8. Factor 144 completely. A. 3 · 3 · 4 · 4 B. 4 · 4 · 9 C. 2 · 2 · 2 · 2 · 3 · 3 D. 12 · 12 Hint 9. Evaluate the expression 5n4m-2 if m = 6 and n = 3. A. -20 B. C. D. -5 Hint 10. If h = i = and j = evaluate h - j + i. A. B. C. D. Hint 11. Graph the inequality j - 6.25 -3.5. A. B. C. D. Hint 12. Find the quotient A. B. C. D. Hint 13. Write an equation for the situation six less than three times a number is 15. A. 6a -3 = 15 B. 3a - 6 = 15 C. 3 - 6 = 15a D. 3a = 15 - 6 Hint 14. Express 0.054 as a percent. A. 54% B. 5.4% C. 5400% D. 540% Hint 15. Find the decimal equivalent of 23.5%. A. 0.235 B. 23.5 C. 0.0235 D. 2.35 Hint 16. Simplify (r + 6) + 27. A. 6r + 27 B. 33r C. r + 33 D. r + 21 Hint 17. Simplify 2(x + 10). A. 2x + 10 B. 20x C. 12x D. 2x + 20 Hint 18. Find Write the product in simplest form. A. B. C. D. Hint 19. Find 16% of 230. A. 3.68 B. 368 C. 3680 D. 36.8 Hint 20. Suppose two number cubes are rolled. Find the probability of rolling a sum that is greater than or equal to 11. A. B. C. D. Hint