Classify (√3 − 1/3 ) as rational or irrational and explain your reasoning​

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

The triangles are similar. what is the value of x? show your work.

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)