uestion $6$: How much would you have to deposit now to have $$25,000$ in eight years terest is $5\%?$

Question $7$: Sally enters into an investment that will guarantee her $5\%$ per year if she leposits $$2066$ each year for the next $10$ years. She must make the first deposit one ear from today. How much will she have when she makes her last payment $10$ years rom now?

Question $8$: Tommy will receive a royalty payment of $$22467$ per year for the next $25$ years, beginning one year from now, as a result of an app he has developed. If a discount rate of $6$ percent is applied, how much are the future rights worth now?

Question $9$: Mina is borrowing $$22904$ from you today. She agrees to pay you back in annual installments beginning a year from now over eight years, with interest at $4\%.$ What would her annual payment amount be$,$ including both interest and principat?

Each question answer is a function.