What is the perimeter of the parallelogram? In units

Which two undefined geometric terms always describe figures with no beginning or end?

What 8/12+8/11 in another way than and improper fraction

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.