If line \(k\) in the \(xy\)-plane has equation \(y = mx + b,\) where \(m\) and \(b\) are constants, what is the slope of

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If line \(k\) in the \(xy\)-plane has equation \(y = mx + b,\) where \(m\) and \(b\) are constants, what is the slope of \(k?\)

(1) \(k\) is parallel to the line with equation \(y=(1-m)x+b+1.\)

(2) \(k\) intersects the line with equation \(y=2x+3\) at the point \((2, 7).\)

Answer: A

Source: GMAT Prep
Source: — Data Sufficiency |