Which of the following is an example of dependent events?

tossing a coin and spinning a spinner
tossing a coin twice
drawing one card after the other

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