For the photo above can you help me answer please thank you!

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

Someone me what is the area of this figure? 18m 18m 8m 16m

Secant be and cf intersect at point d inside a what is the measure of cde