Please show the steps clearly

Q5 from L9 What is the effective rate (annually compounded rate) of interest corresponding to 9% compounded quarterly? What is the equivalent monthly rate? Q6 from L10 You want to receive $5,000 at the end of each month after retirement. If you can earn 1.75% and you expect to need the income for 25 years, how much you need to have in your account at retirement