Use the distributive property to write an equivalent expression without parentheses. 9 (a + 8) Check all that apply.

a-Distribute 9, by multiplication, to the variable, a, and to the constant, 8.

b-Write the two multiplications, 9(a) + 9(8)

c-The expression 9(a) is written as 9a.

d-The expression 9(8) equals 72.

e-The equivalent expression is 9a + 8.

f-The equivalent expression is 9a + 72.