Mr. williams physical education class lasts for 7/8 hour. how many minutes are spend warming up and cooling down if both of these total 3/10?
how many minutes are not spend on instruction, if this total is 8/10? ?
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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.

When the ball has traveled a distance of

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?