Select the correct answer.

A regular convex polygon has eight sides. What is the measure of an exterior angle?

A.
36°
B.
45°
C.
60°
D.
135°

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?