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| Question 1025636:  Whats the coordinates of the vertices formed by the system of inequalities?
 x + y ≤ 9
 y - 2x  ≥ -21
 y ≥ -4x + 15
 A.) (6, -9), (10, -1), (2, 7)
 B.) (-9,- 6), (-1, 10), (7, 2)
 C.) (-30, -21), (-6, -9), (6, 15)
 D.) (-6, -9), (6, -3), (-12, -21)
 Answer by Fombitz(32388)
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