A box contains 2 red marble, 3 white marble, 4 green marbles and 1 blue marble. You select a marble at random from the box, what is the probability that the marble you select is white?

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Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe