Work out the perimeter of this semicircle. Take it to be 3.142 and write down all of the digits given by your calculator.
11 cm

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.

98 point question what is the record for most points in one

What is the value of x in the equation 1/5x - 2/3y = 30 , when y = 15