Given the equation S = 2(pi)(r)(h) + 2(pi)(r^2), solve for r by completing the square.

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.

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.

Complete the equation of the live through (-1,6) (7,-2)