The driving distance from the sports arena to kristina's house in 10 9/10 miles. the distance from the sports arena to luke's house is 2 7/10 miles. how much greater is the driving distance between the sports arena and kristina's house than between the sports arena and luke's house?

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.