A submarine is positioned at 300 feet below sea level. A bird is flying 100 foot above sea
level. How many feet above the submarine is the bird?
-300-200-1000
100 200 300

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.