Which choice shows how to find the greatest common factor of 18 and 72 through prime factorization?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?