M(x)=x/-5 ,what is x if m(x)=8

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14