Your friend says that there is an angle whose measure is the same as the measure of the sum of its supplement and its complement. Is your friend correct? What is the measure of the angle?

Geometry answer picture question pls . reason and statements

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.

Simplify the following expression 48^1/2