Question

Which expression is equivalent to m n + z?
n m + n
z + m z
m z + n
z + n m

Answer 1

Answer:

D.) z+nm because if the commutative property of addition. Because the original expression is “mn+z” and not “m+z•n” you have to keep “mn” together because that’s what is being multiplied.

Answer 2

Answer:

d

Step-by-step explanation: