Andres buys a bag of cookies that contains 6 chocolate chip cookies, 5 peanut butter cookies, 8 sugar cookies and 9 oatmeal cookies. what is the probability that andres reaches in the bag and randomly selects a sugar cookie from the bag, eats it, then reaches back in the bag and randomly selects a peanut butter cookie?

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.