Acircle of radius 1 centered at (4, 0) is rotated about the y-axus. draw a picture of the three-dimensional shape that is produced when the circle is rotated about the y-axis. in two or more complete sentences, describe the three-dimensional shape. upload both parts a and b as your final answer.

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.