Question

identify what property ( Commutative identity distributive, or associative) is used.

A. Y• 7 = 7y

B. 3y + (7+2y) = (3y +7) + 2y

C. Y + 0 = Y

D. 2 (x + 5 ) = 2x + 10

please help ;_;

Answer 1

C is identity 

B is associative 

A is identity

B is communitative