How do I use cylindrical shells for these?

Use cylindrical shells to find the volume of the solid that is generated H when the region that is enclosed by y = 73' *' = 3, x = 6, y = 0 is revolved about the line x = -3. NOTE: Enter the exact answer. V =Use cylindrical shells to find the volume of the solid generated when the region enclosed by the given curves is revolved about the x-axis. xy =9, xty = 10 NOTE: Enter the exact answer. V