What is the distance between the center of the circle with equation $x^2+y^2=2x+4y-1$ and the point $(13,7)$?
Question:
What is the distance between the center of the circle with equation $x^2+y^2=2x+4y-1$ and the point $(13,7)$?
Answer:
Let's think step by step.

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What is the distance between the center of the circle with equation $x^2+y^2=2x+4y-1$ and the point $(13,7)$?
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