Answer:
because they do
Step-by-step explanation:
Answer:xcvxvxcvxcvxcvc
Step-by-step explanation:
bcvbcvbcvb
Answer:

Step-by-step explanation:
Remove the parentheses and take out the constansts.

Simplify 7 x 3 to 21.

Use the product rule: 

Simplify 2+5 to 7.

Simplfiy 3 + 8 to 11.
