9-10 At the rate of 3 items per P 100, how much will ia items cost DP 1.200 e. What is asked? A. The amount of 12 items B. The amount of 3 items C. The amount of P100 D. None of the above 10. What is the answer? AP 300 B. P 600 C. P 900 11. What is the sum if you add (-6) and (+9) ? a. -8 b. 3 c. -17 d. 0 12. The difference if you subtract -9 from-9 a.-9 b.18 c.0 d.-18 13. Multiply (+13) and (-4). a -14 b.-2 c. 48 d.-48