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Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes