What is 90/4 answer foh BRAINSTIELST N RATE DIS NCCA N MY DAWG

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 = y² - 9 opens: a.)up b.)down c.) right d.)left

If my mom gets $13.05 an hour, and she works from 3: 30 to 10: 45 in the morning, how much money does my mom make?