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Sarah, Fiona and David share £40 in a ratio 3:3:2. How much money does each person get?

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis