Which similarity postulate or theorem is it?

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left

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}