Which of the following describes the relationship between the area of a rectangle and its width, as width varies and length stays the same? a. as width decreases, area stays constant. b. as width decreases, area increases. c. as width decreases, area decreases. d. as width increases, area decreases.

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.