Because of the curvature of the earth, the maximum distance D that you can see from the top of a tall building of height h is estimated by the formula D = 2rh + h2 where r = 3960 mi is the radius of the earth and D and h are also measured in miles. How far can you see from the observation deck of a tall building, 1100 ft above the ground? (Round your answer to one decimal place.)