Hi there!
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I believe your answer is:
Option A
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Here’s why:
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[tex]m = \frac{\text{rise}}{\text{run}}[/tex]
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[tex]m =\frac{9-5}{4+2}\\\\\\\rightarrow \frac{4}{6}\\\\\rightarrow \frac{4/2}{6/2}\\\\\rightarrow \boxed{ \frac{2}{3} }[/tex]
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Hope this helps you. I apologize if it’s incorrect.