In right ∆ABC with m∠B=30°, AC = 4. a Find AB

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Construct the graph that models the given situation