What are the angle measures of triangle abc? m∠a = 30°, m∠b = 60°, m∠c = 90° m∠a = 90°, m∠b = 60°, m∠c = 30° m∠a = 60°, m∠b = 90°, m∠c = 30° m∠a = 90°, m∠b = 30°, m∠c = 60°

X+ y = 5 ; x - y =3 solve using linear combination

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?