possible Let X represent the number that occurs when a 14-sided red die is tossed and Y the number that occurs when a 14-sided green die is tossed. Complete parts (a) through (c) below. (a) Find E(X + Y). E(X + Y) = (Type an integer or a decimal. Do not round.) (b) Find E(X - Y) E(X - Y) = (Type an integer or a decimal. Do not round.) (c) Find E(XY) E(XY) = (Type an integer or a decimal. Do not round.)