Match the trig ratio with its trig function based on the triangle below. Please help!

What is (28 + 7 + 6 + 3) x 1/2 show your work

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.