Two planes start from los angeles international airport and fly in opposite directions. the second plane starts 1/2 hour after the first plane, but its speed is 60 kilometers per hour faster. find the airspeed of each plane if 2 hours after the first plane departs, the planes are 3135 kilometers apart.

Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

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.