Simple Interest: 1)Jennifer invests $800 at 5.75%/a. What is the interest earned in 10 months? (remember "time" must be converted to years and percent must be converted to decimals) Compound Interest: 2) Irina has $3400 in her account, which pays 9% per annum compounded monthly. How much will she have after two years and eight months? 3)Larry's account pays 4.35% per annum compounded annually. There is $7400 in the account. How much did he invest five years ago