In ADEF, the measure of ZF=90°, the measure of ZD=69°, and FD = 64 feet. Find the length of DE to the nearest tenth of a foot.

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

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.