What is the distance between a and b? round to the nearest hundreadth

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

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.

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !