Use a proportion to solve the problem.When a pole 2
ft high casts a shadow 1 ft long, how long a shadow is cast by a tree 5 ft tall?
A. 2
ft
B. 3 ft
C. 2 ft
D. 3
ft
Answer: C
Mathematics
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Decide if an Euler circuit exists for the graph. 
A. Yes B. No
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Solve the problem.The voltage E in an electrical circuit is given by E = 1.6 cos 90?t, where t is time measured in seconds. Find the amplitude.
A. 3.2 B. 90? C. 1.6 D. 90
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Graph the function.y = log5 -x
A. 
B. 
C. 
D. 
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Solve the problem.If w = 7i + 2j, find 4w.
A. 28i + 2j B. 28i + 8j C. 11i + 2j D. 11i + 6j
Mathematics