Perform the indicated operation. Show all necessary work. (a) −2- (-9) (b) −2-9 (c) −2-(-9)-(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.

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl