1. B. Perform the indicated operation and choose the letter of the correct answer. A 3 . C. 1 D. 12 6. What is the difference of and nd? A. B. What is the value of ? A B. Evaluate: 7. -2. 11 c D. 3 15 15 15 10 - li 8. A. 2 18 B1 5 C. 19 D. 18 9 - $ Evaluate: 1 A. 1 / 1 B. C. D. 12 10. What is 4 - 12 A. 37 32 B. 22 C. 3 D. 2- 13 15 27 15 15 15​