Solve the proportion problem.On a map of Nature's Wonder Hiking Trails, 1 centimeter corresponds to 6 miles. Find the length of a trail represented by a line that is 1.50 centimeters long on the map. (Round your answer to the nearest hundredth, if necessary.)
A. 4 mi
B. 109.5 mi
C. 9 mi
D. 0.25 mi
Answer: C
Mathematics
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Find the requested area.Find the area, if it exists, under the curve y = 
bounded on the left by x = 3.
A. 
B. 1
C. 4
D. 
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For the function, find the interval(s) for which f'(x) is positive.f(x) = 
x3 + 2x2 - 16x + 7
A. (-?, -2) and (4, ?) B. (4, ?) C. (-?, -4) D. (-?, -4) and (2, ?)
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Graph.4x + y = 3
A. 
B. 
C. 
D. 
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