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

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons

An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called

Find the value of x. give reasons to justify your solutions! l, m ∈ kn