I may be wrong, but you take the <em>inverse</em><em> </em><em>of</em><em> </em><em>cotangent</em><em> </em>to get your degree measure, then plug it into each answer choice to get your answer.
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Answer:
the answer is -8
Step-by-step explanation:
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Answer: -0.729
150x + 280y = 1310