PQ is tangent to OR at point P. Find mZQ.
A. 17°
B. 27°
C. 63°
D. 73°

We just started the introduction into circles and i have no idea how to do this.

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120

Which is the focus of a parabola with equation y2=4x