Very Easy will give brainlist Find The Length put image below

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b