Arectangle has an area of 104 cm ^2 and a width that measures 8 cm. find the perimeter of the rectangle.

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2