What is one ratio that is equivalent to 1: 1?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

Which rule describes the composition of transformations that maps △abc to △a”b”c