a rectangular bathroom floor is covered with square tiles that are 1 1/2 ft by 1 1/2 ft. The length of the bathroom floor is 10 1/2 ft and the width is 6 1/2 ft. How many tiles does it take to covet the length of the floor?​

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.