Im who wants to play Ka Hoot just say yes and ill give you the pin the subject is math

Iam so stuck. what is the worked out answer for this question?

According to the data set, where should the upper quartile line of the box plot be placed?

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}