solve please

Problems 1) How much do you need to put in the bank if you want to have $1,000,000 in 5 years, bank pays interest at 4% compounded annually? 2) Compounded semi-annually? 3) How much if you want to have $100,000 in 15 years, the bank pays interest at 8% compounded annually? 4) What if you want $1,000,000 in 20 years at 12% compounded semi-annually? 5) Problem 4 compounded quarterly