Answer:
I think the answer is probably $212.50
Step-by-step explanation:
I hope this helps.
80x+30
-30x-30
=50x
You subtract 30 from each side
<span>(3)(8) = (8)(3)
answer is </span><span>A. Commutative</span>
Answer:
addition
Step-by-step explanation:
The given expression is 
We want to determine the last operation performed when evaluating this expression for x=3.
We substitute to get:

Multiply within the parenthesis to get:

Subtract to get:

Evaluate the exponent to get:
4+4
Add to obtain:
8
Hence the final operation is addition