Taylor has just won $4,250 from the 50/50 at the Sea Dog's game and decides to invest all of it. If he makes $1275 with a 5% interest rate, how long must he have had the money invested?

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}

Meee i honestly dont know what this question talking about

The weight of a rock sample is measured to be 2.5 ponds. what is the percent of error in the measurement?