Two trains leave the station at the same time, one heading east and the other west. the eastbound train travels 18 miles per hour faster than the westbound train. if the two trains are 540 miles apart after 3 hours, what is the rate of the eastbound train? do not do any rounding.

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

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.

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4