Each of the small squares in the figure below measures 2 meters on each side. What is the area of the triangle?
A. 10 m2
B. 40 m2
C. 20 m2
D. 24 m2

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

Find the dimensions of the circle. area = 64π in.² r= in.

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.