You credit card company advertises an APR of 19% compounded daily on your credit card balance. Find the annual rate.

If you invest $250 per year for 3 years at 4 percent per year compounded annually. How much will you have at the end of 3 years?

You will receive $100 at the end of 1 year. you will then recive $200/year standing at the end of 2 and ending at the end of 10. if the annual interest rate is 10%. Find the percent value.