
Mark M. answered 11/12/17
Tutor
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Mathematics Teacher - NCLB Highly Qualified
-3 / 2 = (r - (-9)) / (-1 - 7)
-3 / 2 = (r + 9) / -8
24 / 2 = r + 9
12 = r + 9
3 = r
Paul H.
asked 11/12/17Mark M. answered 11/12/17
Mathematics Teacher - NCLB Highly Qualified
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