Find the measure of angle 8. measure of angle 7 = 2x+15 measure of angle 8 = 3x

Select the best attribute for the angle pair formed by two parallel lines intersected by a transversal.

What is the missing constant term in the perfect square that starts with x^2 -20x

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?