When the sun is at a certain angle in the sky, a 50-foot building will cast a 20-foot shadow. What is the length of shadow in feet cast by a 20-foot pole at the same time? Enter only the number.

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction

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

Factor the polynomial expression x6 – x3 – 20