-2 + a = 15? A.) 17 B.) 7.5 C.) -13 D.)13

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Simplify the following expression 48^1/2

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =