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Mathematics 8 Online
OpenStudy (anonymous):

(HELP?? i keep getting wrong answer.)Quadrilateral ABCD is an isosceles trapezoid. If AB || CD , AB = m + 6, CD = 3m + 2, BC = 3m, and AD = 7m – 16, find BC. A8 B.9 C.10 D.12

OpenStudy (anonymous):

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