12.7, 12 3/5, 12 1/4 in order from least to greatest

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

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.

Find the area of the regular hexagon if a side is 20 cm.