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QUESTION
Claire starts at point A and runs east at a rate of 11 ft/sec. One minute later, Anna starts at A and runs north at a rate of 7 ft/sec.
Claire starts at point A and runs east at a rate of 11 ft/sec. One minute later, Anna starts at A and runs north at a rate of 7 ft/sec. At what rate (in feet per second) is the distance between them changing after another minute?
