SMART PPL PLEASE HELP!!!

Answer:
(n+m)6
6(m+n
Step-by-step explanation:
Parentheses you start with. Then multiply by 6. When there is nothing in between them, that means multiply. And this goes with the communitive property so either way its put or reversed it still equal the same thing.
Have a great day!
Answer:
I believe it's the 4th one
Step-by-step explanation:
Area is multiplying