A small plane flies 189 mi in 1.5 h. How fast did the plane fly?
A. 201 mph
B. 160 mph
C. 126 mph
D. 136 mph
E. 131 mph
Answer: C
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Solve the problem.The strength S of a rectangular wooden beam is proportional to its width times the square of its depth. Find the dimensions of the strongest beam that can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 6.8 in.; d = 9.2 in. B. w = 4.8 in.; d = 9.2 in. C. w = 5.8 in.; d = 8.2 in. D. w = 6.8 in.; d = 7.2 in.
Find the specified subset.The whole numbers in the set 
A. 
B. 
C. 
D. 
Answer the question about the given function.Given the function f(x) = 
, what is the domain of f?
A. {x|x ? -4}
B. {x|x ? 5}
C. {x|x ? 
}
D. {x|x ? 4}
Solve the problem.Two airplanes leave an airport at the same time, one going northwest (N35°W) at 425 mph and the other going east at 347 mph. How far apart are the planes after 3 hours to the nearest mile?
A. 2057 mi B. 1794 mi C. 686 mi D. 1697 mi