Convert 120 inches to feet.

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

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.