What is the solution to each of these questions?

If we invest $500 in a bank where it will earn 8 percent interest compounded annually, how much will it be worth at the end of 7 years? what is the present value of $500 to be recieve10 years from today if the discount rate is 6 percent? How many years will take $500 to grow to $1,039.5 if invested at 5% compounded annually? If we invest $5000 in a bank where it will earn 10 percent compounded annually, how much will it be worth at the end 10 years? what is the present value of $800 to be recieve10 years from today if the discount rate is 10 percent? what is the interest rate that will make 500 to grow to $1,948.00 if invested for 12 years