The lid to a sewer access opening is 35 inches in diameter. If you roll it in a straight line along the ground for three rotations, how much distance would it cover? Use 22 over 7 for straight pi.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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.

Two numbers have a sum of -19. one number is x. what expression represents the other number?