sarahgrayy sarahgrayy 10-06-2018 Mathematics contestada 1. Evaluate each expression when x = -2 and y = 3. a) 3x + 4y b) 2x - 3y + 5 c) 4x -y d) -x - 2y e) [tex] \frac{1}{2} [/tex]x + y f) [tex] \frac{2}{3} [/tex]y - [tex] \frac{1}{2} [/tex]x