What is the probability of rolling a die and having it land on a factor of 30?

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.

Find all the angles that satisfy the equation cos(θ)=32

Which of the following statements is a true conclusion that can be made from the scaled bargraph?