Answer:

Step-by-step explanation:

Distribute:

Combine like terms:

-2r + 4 is your answer.
Answer:
3² or 9
Step-by-step explanation:
Step 1: Add exponents

Step 2: Subtract exponents
You should get 3² because of exponent rules. Remember when you multiply exponents you add the powers and when you divide exponents you subtract the powers.
I hope this helps you
4.4-7,8
16-7,8
8,2
Answer:
if those are variables they can equal anything you want like r=4 and p=2 r/p = 2
Step-by-step explanation: