I need help on geometry proofs

Chanelle deposits $7,500 into the bank. she does not withdraw or deposit money for 6 years. she earns 6% interest during that time. what will the balance be when she is finally able to withdraw her money?

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?