Choose the letter of the correct answer. 1. What is the value of 7 (15-9) - 12+ 3? A. 27 B. 33 2. What is the value of 48 -- [(40-4)=6] + (24 + 3)? A. 10 B. 34 3. Which one is NOT equal to 9? A. 21-3x (12 = 3) C. 51 D. 105 - C. 50 D. 62 A. Addition A.9 - B. 3x (5 + 4) = 9+ 6 C. (2 x 8) = 2x1 D. 14-211+2) = 3 4. Which operation must be performed first to simplify 15 x (6 + 2) - 4 +3? B. Subtraction C. Multiplication D. Division 5. What is the value of [(20+4) - (12 - 4)] = 4 + 19? B. 17 C. 23 D. 41 6. What is the value of 88 - 3x [(2 x 6)-4)= 4x5 + 12? A. 23 B. 35 C. 70 0.92 7. What number will you get if you divide the sum of 24 and 12 by the difference of 18 and 67 A. 48 B. 42 c.3 D. 1.5 8. What is the value of 50+ (9-4) + 2 x 8? A. 26 B. 71 C. 82 D. 96 9. What number will you get if you multiply the difference of 72 and 16 by the quotient of 12 and 3? A. 14 B. 22 C. 60 D. 224 10. How much will you pay for 3 packs of corn flakes at 76 each and 5 packs of crackers at 29 each? A. 85 B. 293 C. 273 D. 407 11. Which of the following is the GCF of 20, 60, and 40? A. 10 B. 15 C. 20 D. 25 12. Which of the following sets of numbers does NOT have an LCM of 60? A. 3, 10, 20 B. 5, 12, 15 C. 6, 20, 30 D. 4, 10, 15 13. Which of the following is NOT a common prime factor of 30 and 90? A.2 B. 3 c.5 D. 7 14. What is the GCF of 54 and 90? A.9 B. 12 C. 18 D. 6 numhers in Column A to their corresponding GCF/LCM in Column B.​