Suppose r(140°, P)(A) = B and (Rnotation: Line PD∘Rnotation: Line PC)(A) = B, what is m∠CPD?

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Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?