In this question , it is given that we have a cylinder with with a radius of 9 and a surface area of approximately 791.68 units square.
The formula of surface area of cylinder is

Substituting the values of A and r, we will get

So the height of the cylinder is 5 units .
-1^3 - -1^2 +1= -1. ...........
Answer:
c is the answer
Step-by-step explanation:
i just did it