Answer:
Step-by-step explanation:
This is the way to solve the problem
I didn't get it can you post a picture with it too?
The first one! It is using the distributive or associative property!
Answer:
9. 21
10. 70
11. 64
12. 31
13. 85
14. 31
double check the answer, i didnt use a calculator so might be wrong