USE THE STEPS BELOW TO ANSWER QUESTIONS 3-4.

STEP 1: 30ab + 45ac - 25ad + 20ab
STEP 2: 30ab + 20ab + 45ac - 25ad
STEP 3: 50ab + 45ac - 25ad
STEP 4: 5a(10b + 9c - 5d)

3.Which property below is used between STEPS 1 and 2?

A. associative property
B. commutative property
C. distributive property
D. identity property

4.Which property below is used between STEPS 3 and 4?

A. associative property
B. commutative property
C. distributive property
D. identity property