The extensions of the legs ab and cd of a trapezoid abcd intersect at point e. find the lengths of the altitude of △aed drawn to the base ad, if bc=7cm, ad=21cm, and the length of an altitude of a trapezoid is 3cm.

Harry and jay are both flying on the same plane with an airline that randomly assigns seats to passengers. of the 182 total seats on the plane, 62 are window seats, 58 are middle seats, and the rest are aisle seats. what is the approximate probability that both harry and jay will be assigned aisle seats on the same plane? a. 11.48% b. 3.3% c. 2.08% d. 26.26%