A rectangle has an area of 80cm² and a perimeter of 48cm.
Find the length and width of the rectangle.

The parabola opens: y=√x-4 (principal square root) up down right left

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs

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}