Amachine makes 300 boxes in 15 minutes. which expression equals the unit rate in boxes per hour

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.

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5

Which of the following represents the factorization of the trinomial below? x^2+7x-30