all three please.

At 8% annual rate of return, how long will it take for $750 to become $1,500 9 years 6.5 years 48 months 12 years 2 points At what rate must $400 be invested for it to grow to $716.40 in 10 years: 8% 5% 7% 6% 2 points Future value of money will increase when: When the initial amount invested increases When the annual interest rate increases All of these are correct When the number of years of investment increases