Various dilutions of square a are shown which square was obtained by dilating square a by a scale factor of 3

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.