myriahb myriahb 26-09-2022 Mathematics Answered 17. For what values of x and y is quadrilateral ABCD a parallelogram? a. b. C. d. D 4y+20 9x-40 x = 12, y = 3 x = 6, y = 12 x = 6, y = 3 x = 74, y = 105 C 8x-34 6x-4