PLEASE HLLL. In Dungeons and Dragons, a 20-sided die is rolled to determine stat checks. A 1 is a "critical failure" and a 20 is a guaranteed success. What are the odds a dwarf barbarian will roll a critical failure on both of his dual-wielded axe attacks? (dice rolls are independent events)

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