Answer:
72
169
0
-300
-252
48
-21
-15
12
0
Step-by-step explanation:
just simply multiply/divide, then the signs you are going to use would depend if the signs are alike for examples: positive and positive or negative and negative the sign u are going to use is positive and if the signs are unlike or different for ex: positive and negative or vice versa then the sign u are going to use is negative.