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This is algebra and system substitution, the question is 3x+6-4x=9
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Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2
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David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?
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Find the slope of the line that passes through the points (0, 0) and (-2, -3). 2/3 3/2 -3/2
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This is algebra and system substitution, the question is 3x+6-4x=9...
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