In triangle abc angle c is a right angle find the value of the trig function indicated. find sec a if c=25, a=7

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

Which of the following points is collinear with (-2,1) and (0,3)

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39