The perimeter of a rectangle was 60 centimeters. The length is 4 centimeters longer than the width, w. What equation could be used to solve this problem? Choose all that apply. a.2(w)+ 2(w+4) =60
b. w(w+4) =60
c.4w+8=60
d.2w+(w+4) =60

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