How much wire is needed to build a rectangular pen 42.6 ft. long and 28.5 ft. wide

What is the approximate circumference of the circle shown below?

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.

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points