if you cant answer them all , please explain how to do the rest

8. Today, Daniel invested $12,500 to cover his wedding expenses in three years. How much additional money will he have three years from now if he can earn an annual interest rate of 6.5 percent rather than 5.5 percent? (5 points) 9. The winner's check was $300 for U.S. Open Golf Championship in 1910. The winner's prize money was $1,500,000 in 2020. What was the percentage increase per year in the winner's prize over this period? If the winner's prize increases at the same rate, what will it be in 2070? (5 points) 10. You invested $7,000 at 10 percent simple interest. How much more could you have earned over a 15-year period if the interest had compounded annually? (5 points)