Solve the problem.It is 4.7 km from Lighthouse A to Port B. The bearing of the port from the lighthouse is N73°E. A ship has sailed due west from the port and its bearing from the lighthouse is N31°E. How far has the ship sailed from the port? Round your answer to the nearest 0.1 km.
A. 3.7 km
B. 3.1 km
C. 3.5 km
D. 2.7 km
Answer: A
Mathematics
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Simplify.
A. -1 B. 1 C. -i D. i
Mathematics
Solve the problem.Let y(t) be the population of a species of plant that is being harvested, for t ? 0. Consider the harvesting model 
where h is the annual harvesting rate, y0 is the initial population of the species, and t is measured in years. If y0 = 2000, what harvesting rate should be used to maintain a constant population of y = 2000, for t ? 0?
A. h = 4 yr-1 B. h = 10 yr-1 C. h = 100 yr-1 D. h = 2000 yr-1
Mathematics
Perform all operations in correct order.
A. 16
B. 2
C. 
D. 
Mathematics
Provide an appropriate response.Using the law of sines, find b if a = 40, A = 55° and B = 72° in triangle ABC. Round to four significant digits.
A. 34.45 B. 39.00 C. 46.44 D. 133.6
Mathematics