Answer:

Step-by-step explanation:
The formula for the surface area of a cylinder is:

And we want to solve for the height h.
First, subtract
from both sides. This yields:

Now, divide both sides by
. This yields:

And we're done!
My answer is should: increase of 4.5
......................
P.S..If you have options then it's better................
Answer:
5 gallons
Step-by-step explanation:
3/4 + 6/8 + 20/8 + 1
6/8 + 6/8 + 20/8 + 8/8
40/8 = 5 gallons
<span>paper and pencil to record work</span>