Write there ratios that are equivalent to one given : the ratio of right handed students to left handed students is 18: 4

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74

Math question.. plz me .. best answer all

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}