okay..there's gonna be like...7 questions..if u can answer as many as u can, it would mean the world to me..im seriously tryna get my math grade up. THESE NEED TO BE ANSWERED AS SOON AS POSSIBLE Simplify the following expressions: 1.) (3x/2)^4 2.)(2b/3)^4 3.)3^7/3^5 4.)((-1)^3/(-3)^-3) 5.)x^5/x^9 6.)m^2n^-5/m^7n^-17 7.)3k/8)^2