Prove. (9m)•4+m+37m

1. (9m)•4+m
given

2. 4•(9m)+m
commutative property

3. (4•9)•m+m


4. 36m+m
commutative property

5. 37m
addition

what is the correct reason for statement 3?

a. associative property

b. multiplication

c. distributive property

d. addition

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