Which greek mathematician is known as the father of geometry

How to determine whether two known pairs of points are on the same line.

Given right triangle xyz, which correctly describes the locations of the sides in relation to

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =