Use similar triangles to help solve the problem.
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A tree casts a shadow of 24 feet at the same time as a 5-foot tall man casts a shadow of 4 feet. Find the height of the tree.
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A. h = 27 ft
B. h = 42 ft
C. h = 30 ft
D. h = 35 ft
E. h = 22 ft
Answer: C
Mathematics
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Express the product as a sum or difference.cos 3x cos 2x
A. 
(cos 5x - cos x)
B. cos2 6x2
C. 
(cos x + cos 5x)
D. 
(cos 5x - sin x)
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A. Even B. Odd C. Neither
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Perform the indicated multiplication. (2)(-3)
A. -6 B. 1 C. 6 D. -1
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