Solve the problem.To find the distance between two small towns, an electronic distance measuring (EDM) instrument is placed on a hill from which both towns are visible. If the distance from the EDM to the towns is 
and 
and the angle between the two lines of sight is 
what is the distance between the towns? Round your answer to the nearest tenth of a mile.
A. 4.8 mi
B. 3.6 mi
C. 4.4 mi
D. 3.1 mi
Answer: D
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The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = 1 - log (x) B. y = log (x - 1) C. y = log (x) - 1 D. y = log (1 - x)
Find a rectangular equation for the plane curve defined by the parametric equations.x = 5t3, y = 7t2, for t in (-?, ?)
A. y = 
x2/3
B. y = 7
2/3
C. y = 35x6
D. y = 7
3/2
Solve the problem.In a certain city, the cost of a taxi ride is computed as follows: There is a fixed charge of $2.05 as soon as you get in the taxi, to which a charge of $1.80 per mile is added. Find an equation that can be used to determine the cost, C(x), of an x-mile taxi ride.
A. C(x) = 1.80 + 2.05x B. C(x) = 3.85x C. C(x) = 2.35x D. C(x) = 2.05 + 1.80x
Solve the problem.To find the height of this tree, Noriko marked the tree at eye level, 1.8 meters above the ground. She measured 29 m from the base of the tree and then held a 5-cm ruler vertically in front of her eye until the ruler just obscured the tree above the mark. Using a string tied through a hole in one end of the ruler, Noriko found that the distance from her eye to the ruler was 5.9 centimeters. What was the height of the tree? Round to the nearest unit.
A. 20 m B. 30 m C. 25 m D. 26 m