In the diagram below of triangle PQR, S is the midpoint of PR and T is the midpoint of QR. If ST = 6x – 11, and PQ = -8x + 38, what is the measure of
ST?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.

Meg constructed triangle poq and then used a compass and straightedge to accurately construct line segment os, as shown in the figure below, which could be the measures of angles pos and angle poq?