equations please

Q1) You invest $4,845 at the beginning of every year and your friend invests $4,845 at the end of every year. If you both earn an annual rate of return of 11.00%. a) how much will you have in your account after 22 years? b) How much will your friend have in his account? Q2) You currently have $4,900 in a retirement savings account that earns an annual return of 10.00%. You want to retire in 46 years with $1,000,000. How much more do you need to save at the end of every year to reach your retirement goal? Q3) You currently owe $2,806 to your credit card that charges an annual interest rate of 20.00%. You make $179 of new charges every month and make a payment of $281 every month. What will your credit card balance be in three months? When inputting an answer, round your answer to the nearest 2 decimal places. If you need to use a calculated number for further calculations, DO NOT round until after all calculations have been completed. For the final answer, Round to 2 decimal places. Q4) You would like to retire in 33 years. The expected rate of inflation is 04.00% per year. You currently have a standard of living that requires $7,019 of monthly expenses. Assuming you want to maintain the same standard of living in retirement, what are your monthly expenses expected to be the first year of retirement? Q5) You purchases a house for $293,466. You made a down payment of $20,000 and the remainder of the purchase price was financed with a mortgage loan. The mortgage loan is a 30 year mortgage with an annual interest rate of 07.00%. Mortgage payments are made monthly What is the monthly amount of your mortgage payment