Which points are reflections of each other across the y-axis?
(–7, –3) and (7, –3)
(–5, 4) and (5, –4)
(1, –8) and (1, 8)
(–3, 5) and (5, –3)

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}