An eraser is in the shape of a triangular prism. its dimensions are shown in the diagram. what is surface area of the eraser?

I'll give brainliest if you answer right : )

Pls the last one and it has to be like number 6

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}