Find the solution to the system. Write your solution as an ordered pair (x, y) with no spaces, no solution, or infinitely many. x-3y=7 and 3x-9y=21 *

i can't read the graph

step-by-step explanation:

the answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

have a nice day!