Please answer all. And show work

Section 7: 12. Suppose we deposit $7000 into an investment account. What amount will our account have after 15 years if it is invested at an annual rate of 5% compounded quarterly. 13. We deposit $2,000 into an account earning 6% interest compounded semiannually. How many years will it take for the account grows to $5,000? 14. Suppose we deposit $3,000 into an investment account. How much will our account have after 8 years if it earns interest at an annual interest rate of 4% compounded continuously? 15. How long will it take for an investment of $40, 000 to grow to $120,000 at the rate of 5.75% compounded continuously? 16. Assume that the yearly rate of price inflation for housing in the the next ten years is 3.5% and assume that this is compounded annually. A house costing $780,000 today will cost more in ten year. How much will it cost in ten years? 17. A bank offers 12.0% interest compounded quarterly. What is the equivalent annual simple interest (yield)? 18. A bank offers 4.25% interest compounded continuously. What is the equivalent annual simple interest (yield)? 19. What is the present value of a cash flow of $90,000 in an account earning 6%