please show work, note 3 is not 19.72

QUESTION 3 10 po Acredit card offers a borrowing rate of 18. compounded daily. What is the effective rate? (Please enter as a decimal nota percentage QUESTION 7 If you save 5500 per quarter for retirement in an account that earns 8% interest per year, compounded quarterly, how much will you have after 40 years? QUESTION 10 What is the total interest paid on a 30-year mortgage for $235.000 if it is charged 6.9% Interest compounded monthly? SAMA Click Save and Submit to save and submit. Click Save All Aroer to save all aners