Your cell phone plan costs $39.99 per month plus $0.13 for each text message you send or receive. you have at most $44 yo spend on your cell phone bill. what is the maximum number of text messages that you can send or receive next month?

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.