Answer:
[tex] \frac{32}{31} [/tex]
Step-by-step explanation:
[tex](66 \: \:, \: \: 85) = > (x1 \: \: \:, \: \: x2) \\ (4 \: \: \: \: ,\: \: 21) = > (y1 \: \: \:, \: \: \: y2) \\ [/tex]
[tex]slope \\ = \frac{y1 - y2}{x1 - x2} \\ = \frac{85 - 21}{66 - 4} \\ = \frac{64}{62} \\ = \frac{32}{31} [/tex]
hope this helps
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