Mark charged a battery. each minute, the percentage of the battery's capacity that was charged increased by 2 . 5 2.52, point, 5 percent. after 1 7 1717 minutes of charging, the battery was 6 1 . 5 61.561, point, 5 percent full. how full was the battery when the charging began?

Question 2 (essay worth 10 points) (03.02 mc) in δabc shown below, point a is at (0, 0), point b is at (x2, 0), point c is at (x1, y1), point d is at x sub 1 over 2, y sub 1 over 2, and point e is at the quantity of x sub 1 plus x sub 2 over 2, y sub 1 over 2: triangle abc is shown. point d lies on segment ac and point e lies on segment bc. a segment is drawn between points d and e. point a is at the origin. prove that segment de is parallel to segment ab.