Answer:

Step-by-step explanation:
For this, you check to see if any of these variables are the same. There are two x's, and 2 y's. So, you have to multiply x and x, which gives you 2x, and since you multiply the y's it will give you y^2.
So the answer will be 
Answer:
I think its 9 im so sorry if im wrong
Step-by-step explanation:
hope this helps:)
20 + 1.5 = 21.5
- 2 = 19.5
so hourly he gets paid $19.50
Answer:
-18
Step-by-step explanation:
1. Subtract 7 from both sides:
13x = -234
2. Divide 13 from both sides:
13x/13 = -234/13
x = -18
hope this helps!