Asphere has a radius of 3x+2. what polynomial in standard form best describes the total surface area of the sphere? s=4πr^2

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

The graph of a curve that passes the vertical line test is a: