Points P, Q, and S are collinear. What is mZPQR? R
(x + 3)
(3x + 5)º
S
Q
P
mZPQR =

Name the two rivers that run through the fertile crescent. how were the rivers both positive and negative to societies of the fertile crescent?

Describe the four major spheres of the earth system; identify the parts of the earth they each represent. explain what is meant by the "earth system."

In a class of 20 students, what democratic form of governance makes the most sense