5^2 + x^2=8^2
25+x^2=64
X=6.2
D because its a triangle so it would be 3x but then you have to add the 4 for the longer side.
The independent variable (the one they want) is the # of hours worked, since that determines the price.
All the other answers contain information not included in the problem
It gained 2 lb. because if you subtract 8-6 you would get 2. So Arfus gained 2 lb.
Answer:
Infinite.
Step-by-step explanation:
3(x+1)-5=3x-2
3x+3-5=3x-2
3x-2=3x-2
True for any number.
