Solve.A flagpole casts a shadow of 23 ft. Nearby, a 9-ft tree casts a shadow of 7 ft. What is the height of the flag pole? Round to the nearest tenth of a foot, if necessary.
A. 1449 ft
B. 2.7 ft
C. 17.9 ft
D. 29.6 ft
Answer: D
Mathematics
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