Really need help understanding how to solve these problems step to step

1.) Suppose you deposit $1,546.00 into and account 7.00 years from today into an account that earns 11.00%. How much will the account be worth 18.00 years from today?

2.) Suppose you need to have $55,596.00 in an account 15.00 years from today and that the account pays 12.00%. How much do you have to deposit into the account 13.00 years from today?

3.) Derek has the opportunity to buy a money machine today. The money machine will pay Derek $13,103.00 exactly 15.00 years from today. Assuming that Derek believes the appropriate discount rate is 5.00%, how much is he willing to pay for this money machine?

4.) Suppose you deposit $2,476.00 into an account today that earns 9.00%. In 23.00 years the account will be worth $________.

5.) Suppose you deposit $2,420.00 into an account today. In 12.00 years the account is worth $3,570.00. The account earned ____% per year.

6.) Suppose you deposit $1,244.00 into an account today that earns 14.00%. It will take ___ years for the account to be worth $2,539.00.

7.) Assume the real rate of return is 3.70% and the inflation rate is 7.20%. Find the nominal rate of return using the exact formula.

8.) Assume the nominal rate of return is 11.44% and the inflation rate is 7.27%. Find the real rate of return using the exact formula.

9.) Assume the nominal rate of return is 10.43% and the real rate is 2.88%. Find the inflation rate of return using the exact formula.