1. Kayden borrowed $6000 from her brother to buy a car. She repaid him after 9 months with an interest rate of 5% per year. Find the total amount that Kayden repaid, and the amount of interest that she paid. Use A = P(1 + rt) 2. Find the compound interest earned for $700 at 8% compounded semiannually for 4 years. 3. If $15,000 is invested at 3% compounded quarterly, what is the amount after 7 years? 4. How long will it take $2,000 to grow to $24,000 if it is invested at 7% compounded monthly? 5. How much should be deposited now in order to have $45,000 in 8 years, if the account earns 6.57% compounded monthly