Acar traveled 200 miles in 4 hours. whats the car average rate of speed in miles 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.

Select the number of ways in which a line and a circle can intersect

Ineed with math stuff it involves graphs