Answer:
Sarah is correct: lines l and m are not parallel.
Step-by-step explanation:
Given that m < 1 = 130°, and m < 7 = 45°,
Sarah is correct, that lines l and m are not parallel.
If lines l and m were parallel cut by the transversal, n, then its exterior angles < 1 and < 7 that lie on the same side of the transversal should be supplementary. In other words, m < 1 and m < 7 should have a sum of 180°
Since according to the given prompt that m < 1 = 130°, and m < 7 = 45°, the sum of their measure add up to 175°, and not 180°.
Therefore, lines l and m are not parallel.
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