To find the height h of a dinosaur in a museum, Amir placed a mirror on the ground 40 feet from its base. Then he stepped back 4 feet so that he could see the top of the dinosaur in the mirror . Amir's eyes were approximately 5 feet 6 inches above the ground. What is the height of the dinosaur?​

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.

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b