Solve the problem.A rectangular sign is being designed so that the length of its base, in feet, is 18 feet less than 4 times the height, h. Express the area of the sign as a function of h.
A. A(h) = -18h2 + 2h
B. A(h) = 18h - 2h2
C. A(h) = -18h + 4h2
D. A(h) = -18h + h2
Answer: C
Mathematics
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Make the required change in the given equation.? = 
to Cartesian coordinates
A. z = 0
B. 2z = 
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D. x = 0 and y = 0
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Solve the problem.Find the great-circle distance between Leningrad, Russia ( latitude 60° north, longitude 30° east) and Wausau, Wisconsin (latitude 45° north, longitude 90° west).
A. ? 4480 mi B. ? 1480 mi C. ? 44,800 mi D. ? 448.5 mi
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Evaluate the integral by changing the order of integration in an appropriate way.
A. 2 sin 10 B. 2(1 - cos 10) C. 2(1 + sin 10) D. 2 cos 10
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Rationalize the denominator and simplify. Assume that variables represent positive values.
A. 
B. 
C. 
- 
D. 
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