Solve the problem.A person who is 3 feet tall is standing on the beach and looks out onto the ocean. Suddenly, a ship appears on the horizon. How far is the ship from the shore? Use the fact that the radius of the Earth is 3960 miles and 1 mile = 5280 feet. Round to the nearest tenth of a mile.
A. 5600.3 mi
B. 3 mi
C. 154.2 mi
D. 2.1 mi
Answer: D
Mathematics
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At what points is the given function continuous?f(x, y) = 
A. All (x, y)
B. All (x, y) satisfying x - y ? 0
C. All (x, y) such that x ? 
and x ? -2
D. All (x, y) such that x ? 0
Mathematics
Graph the inequality.7x - 11y + 38.5 > 0
A. 
B. 
C. 
D. 
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Factor completely. If unfactorable, indicate that the polynomial is prime.36x6 + y6
A. prime B. (6x3 + y3)(6x3 - y3) C. (6x3 - y3)2 D. (6x3 + y3)2
Mathematics
Divide.
A. 
- 
i
B. 
- 
i
C. 
- 
i
D. 
+ 
i
Mathematics