The radius of a cylinder is $6.0$ inches and the height is $9.0$ inches.

1. What is the surface area of the cylinder?

   Hint (a):

   $2\pi 6^2 + 2\pi (6)(9)$ 

2. What is the volume of the cylinder?

   Hint (b):

   $324\pi \: \text{in}^3$

3. If the cylinder is enlarged by a linear scale factor of $3$, what is the volume of the enlarged cylinder? How do you know?

   Hint (c):

   Use the results from 11-14 part (c).