please help answering ALL questions. Need help figuring out what was put into the calculator in order to get the answer as well.

Q1: (3 points) How much would be in your savings account in 7 years after depositing $100 today if the bank pays 5% interest per year? Q2: (3 points) What is the present value of a security that will pay S 5,000 in 20 years if the security pays 7% annually? Q3: : (2 points) If you deposit money today in an account that pays 6.5% annual intrest, how long will it take to double your money? (Do not use rule of 72) Q4: (2 points) Approximately, how many years are needed to double an investment? (Use rule of 72) (5-6) The State of Pennsylvania has a guaranteed tuition plan. Basically, you can prepay for education in the future (say, for your kids) by paying today's tuition rate. Billy Gate wants to buy one year of education for his daughter at ESU, to be used 5 years from now. Today's tuition rate is $8,600 (in-state). Assume that tuition rates will increase by 5% per year for the next 5 years. Q5: (2 points) What will tuition be in 5 years? Q6: (3 points) If Billy can invest in government Education Bonds (non-taxable) at 7% interest (compounded annually), how much would it cost to buy a bond that will be worth the above amount in 5 years