John roller skates 48km in 3 hours. What is his average speed in kilometers per hour?

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

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.

Plzzzz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.