Solve the equation by completing the square.
x^2-4x+2=0

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

Im literally having a mental breakdown

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.