Step-by-step explanation:
since x=2 and z=-2
4+4=8 [ because -2* -2=+4 ]
Answer:
Pythagorean theorem 
Step-by-step explanation:

Simplified Answer: 18z+24
Answer:
Square
Step-by-step explanation:
The only possible cross section of the cylinder is a circle or a rectangle. I mean, depending on how tall it is.