Has exactly 10 blue marbles 25 red marbles and 25 yellow marbles if Lucas pics one marble and then replaces it how many marbles can he expect to get after picking 100 marbles

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.