Which of the following trigonometric inequalities has no solution over the interval 0 <= x <= 2pi radians?

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0