PLSS HELP IM TIMED PLS HELPP What is the greatest common factor of the terms in the expression 36 a + 54 a b minus 27 b?
9
9ab
18
18ab

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?