Solve the problem.A man 6 ft tall walks at a rate of 6 ft/sec away from a lamppost that is 12 ft high. At what rate is the length of his shadow changing when he is 35 ft away from the lamppost?
A. 1 ft/sec
B. 35 ft/sec
C. 2 ft/sec
D. 6 ft/sec
Answer: D
Mathematics
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A. 4
B. 8?
C. 
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A. 
B. 
C. 
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Provide an appropriate response.Identify three common factors of 5x2 + 10x.
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