An infant playpen is in the shape of a circle. If the playpen has a diameter of 2 meters, what is the approximate area of the playpen? (Use 3.14 as an approximation of pi.)

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

Which diagram shows lines that must be parallel lines cut by transversal?

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.