Solve the following system of equations using substitution:

y=8
y=-4x+4​

What is the first step of an indirect proof of a number that is divisible by two

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?