Let F= (2xy +zx,2x2) and let C be the circle r(t) = (5 cos t12 cost,3 sin t), for 0sts2x. Evaluate %3D • dr using any method. dr (Simplify your answer.) %3D

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A: Given that A shopper buys cat food in bags of 3 lbs. Her cat eats 3/4 lb each week

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