Ineed as fast as possible. the diagram shows a trapezoidal flowerbed abcd in which ab is parallel to dc.
de and cf are perpendicular to ab. ab = 5m, bc = ad = 2m. dc = 3m and ae = fb. find the length of de and the area of the flowerbed.

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.