What is a 2 digit number between 20 and 99

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2