Acheetah ran 300 feet in 2.92 seconds. what was the cheetah’s average speed in miles per hour? show your work.

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 solution of this system of equation -7x+y=-20 9x-3y=36

Can someone me with the property questions for 12 13 and 14 plz