an area of ground lying between a straight road and boundary has an actual area of 6250m^2 the area as measured on an old plan who's scale has been obliterated is 1000mm^2. What is the scale of the old plan?

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.