A) The interpretation of the coefficient of determination in this regression is A) 57.74% of the total variation of ACT scores can be explained by GPA. B) ACT scores account for 57.74% of the total fluctuation in GPA. C) GPA accounts for 57.74% of the variability of ACT scores. D) None of the above.

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.