Use the tape diagram to solve On a test, the number of Ellie's correct answers to incorrect
answers problems was 5-2. If Ellie had 45 correct answers,
how many incorrect answers did she have?

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.