Two college students have started their own business building computers from kits. Working alone, one student can build a computer in 18 h. When the second student helps, they can build a computer in 7.2 h. How long would it take the second student, working alone, to build the computer?

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the given curves about y = 8.8y = x3, y = 0, x = 4use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the given curves about y = 8.8y = x3, y = 0, x = 4