Find the coordinate of the midpoint of the segment with the endpoints at -7 and 4.

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Find the root(s) of f (x) = (x- 6)2(x + 2)2.