Suppose r, y > 0. Which of the following expressions is equal to I 5 y+ x y4 ? I 4,3 O 13/2 y-5/2 +213/2 y-1 Or14 y2 O : 1/2 O 19 y-2 +ry O x13y-5 + 213y-2 O .9 I' y 2+ryGiven the following equation relating z, y and z : -3 -5 4 + I y solve for z in terms of y and z. Your answer can be written in the following form Ayz By + Cz' where A, B, and C are integers. What are the values of A, B, and C'?Select all statements that are always true: O If | | = ly), then = = y Ifx > y, then x - y = = - y Ifx