Jude is placing boxes on a shelf that holds no more than 80 lb. he has x small boxes that weigh 5 lb each and y large boxes that weigh 12 lb each. jude needs at least 4 small boxes on the shelf. which inequalities model the situation? choose exactly two answers that are correct. 5x + 12y ≤ 80 5x + 12y < 80 x > 4 and y > 0 x ≥ 4 and y > 0