Lorenzo purchased 12 cookies. he gave of the cookies to celine and gave of the remaining cookies to petra.
how many cookies did petra receive?

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

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.

Define multiplicative inverse. give an example of a number and its multiplicative inverse.