Which numbers are irrational? select all that apply

Asphere has a diameter of 10 in. what is the volume of the sphere?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

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}