Trisha wants to start training for a half marathon. The trainer wants to time trisha to see how fast she can run at the start of training program. He times her on an 8 mile course, which she completes in 1 hour. What is trishas unit rate in minutes per mile?

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.