a machine produces open boxes using square sheets of metal. the machine cuts equal-sized squares measuring 4 inches on a side from the corners and then shapes the metal into an open box by turning up the sides. if each box must have a volume of 144 cubic inches find the length and width of the open box

Harold wrote this equation to model the level of water in a pool over time. the variable x represents time in hours. f(x) = 3,500 - 225x which statements about the situation are true? check all that apply. the water level is rising. the water level is falling. the initial level of water in the pool was 3,500 units. the initial level of water in the pool was 225 units. the pool was empty after 14 hours. the water was 2,600 units high after 4 hours.