Natalie has 275 centimeters of ribbon. she makes 4 headbands and has 15 centimeters left. what length of ribbon is used for each headband

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