3. use the distributive property to simplify the expression -4(-2x +6)
a. -8x -24
b. 8x + 24
c. 8x - 24
d. -8x +24

4. which value of a would make the following statement true? -2(x + a) = -2x -4
a. -4
b. -2
c. 2
d. 4

5. use the distributive property to simplify the expression 1/3 ( -3x +9)
a. -x + 3
b. -x + 9
c. -9x + 9
d. -9x +27