Can anyone show me how and why the variables change?

J. 10.0%? 4. What is the future value of an annuity due of $500 deposited per month into account paying 12.0% annually for 25 years? 5. Rework #1 using monthly compounding. 6. Rework #2 using quarterly compounding. 7. Rework #3 using semi-annual payments. 1. What is the future value in 30 years of $5,000 invested today at 8.0%? 2. What is the present value of $1,000,000 received 6 years from today if the appropriate discount rate is 4.0%? 3. What is the present value of ordinary annuity of $400 per year for 8 years if the discount rate is 10.0%? 4. What is the future value of an annuity due of $500 deposited per month into account paying 12.0% annually for 25 years? 5. Rework #1 using monthly compounding. 6. Rework #2 using quarterly compounding. 7. Rework #3 using semi-annual payments