What is the median of this
21, 41, 47, 61, 15, 75, 90, 57, 43, 76, 189, 190

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

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).