Please help! I don't know this question.

Brady has a 20 year fixed rate mortgage for $215,500 with monthly payments of 1,305.89.the annual interest rate is 4%. what is the total cost of the principal and interest for this loan rounded to the nearest dollar

What kind of bond pays interest which is exempt from tax?

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?