8x+y=300the elevator in a trade center is moving down from a height of 300 feet. the equation above can be used to model the height of an elevator, y, above the lobby. where x is the time in seconds. if the ordered pair (x, y) satisfies the equation, what does (37.5,0) mean? a. an elevator stops at a height of 37.5 b. the elevator is moving down at a constant speed of 37.5 feet/seconds. c. the elevator moves 37.5 feet down from the lobby. d. the elevator takes 37.5 seconds to move down to the lobby.