PLEASE SHOW YOUR WORK

Its taken me hours to get to this point do not want to redo.

Suppose you invest at an APR of 8.04% for 8 years, what annual interest rate did you actually earn each year if interest is compounded semiannually? Answer Format: INCLUDE ONLY NUMBERS AND DECIMALS IN YOUR ANSWER. Do not include "\$" ", or any other formatting. Carry interim computations to at least 4 decimals. Enter percentage answers as a positive percentage \% rounded to 2 decimal places. For example 0.123456 should be enter as: 12.35 (\##.\##) Question 22 Suppose you invest at an APR of 8.58% for 12 years, what annual interest rate did you actually earn each year if interest is compounded monthly? Answer Format: INCLUDE ONLY NUMBERS AND DECIMALS IN YOUR ANSWER. Do not include "\$" "." or any other formatting. Carry interim computations to at least 4 decimals. Enter percentage answers as a positive percentage \% rounded to 2 decimal places. For example 0.123456 should be enter as: 12.35 (\#\#.##) Question 23 10 pts How much must Lyle invest today in an investment that pays an APR of 9.81% with monthly compounding if he wants to have $9,670 in 7 years from today? Answer Format: INCLUDE ONLY NUMBERS AND DECIMALS IN YOUR ANSWER. Do not include "\$" ", or any other formatting. Carry interim computations to at least 4 decimals. Enter numerical answers as a positive number rounded to 2 decimal places (###.\#\#)