You start driving north for 21 miles turn right and drive east for another 20 miles. At the end of driving what is your straight line distance from your starting point?

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?