X+8y-7z=12
5x+9y+5z=15
6z-3y-8y=1

You are assembling pieces of an iron gate to complete a fence. the finished gate will look like the one below. in order to assemble the gate it is important to under how the pieces are related. part 1: how are pies 1 and 2 in the archway related? part 2: how are the rectangular sections 5 and 6 in the center of the gate related to each other?

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.