Find the measure of the central angle with a radius of 13 inches and the area of a sector measuring 42.25π square inches.

45°

90°

120°

180°

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.

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply