What is the Surface Area of this Prism?

For what value of (y) is 3^3/3^y =1/9

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8

Let u = {q, r, s, t, u, v, w, x, y, z} a = {q, s, u, w, y} b = {q, s, y, z} c = {v, w, x, y, z}. list the elements in the set.a ∩ (b ∪ c)a) {q, s, w, y}b) {q, y, z}c) {q, s, u, w, y, z}d) {q, r, w, y, z}