Find the vale of the annuity and the interest. $150 at the end of every 6 months? 6.5 % Compounded semiannually? 25 years?

Mortgage what is the monthly payment on a 30-year mortgage of $100,000 at 8% interest per year, compounded monthly? What is the total amount paid on this Loan over the 30-year period?

Annuity Find the amount of an annuity that consists of 20 semiannual payments of $500 each into an account that pays 6% interest per year, compounded semiannually.

Mortgage What is the monthly payment on a 30-year mortgage of $80,000 at 9% interest? What is the monthly payment on this same mortgage if it is to be repaid over a 15-year period?