The formula for the
surface area of a right
circular cylinder
SA = 2 3.14^2 + 2 3.14rh where
r and h are as
represented below.
What does the 2 3.14r^2 in
the formula represent in
the problem context?

It represents the areas of two circles enclosing the cylinder.

Hope this helps.

the number of the people going.

step-by-step explanation:

the cost to buy one movie ticket is $7. if the total cost for the movie is a function of how many people go, then the input is : the number of the people going.

it would rotate about 180 degrees.