The formula d = rt gives the distance traveled in time t at rate r. a bicyclist rides at a constant rate of 15 miles per hour. how many miles will he travel in 3.5 hours? a. 4.3 miles b. 18.5 miles c. 23.3 miles d. 52.5 miles

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.