Evaluate the given binomial coefficient.
A. 126
B. 252
C. 504
D. 30,240
Answer: B
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Determine whether the given function satisfies Laplace's equation.f(x, y, z) = cos (5x) sin (3y) e(
z)
A. Yes B. No
Solve.Two boats leave a dock together, each traveling in a straight line. One boat travels at 
and the other at 
The angle between their courses measures 
Approximate the distance, to the nearest tenth of a mile, between the boats after 
A. 14.8 mi B. 17.3 mi C. 21.4 mi D. 23.2 mi
Provide an appropriate response. If a business sends out 2,000 brochures to a list of customers and expects to lose 350 of them to mail changes, what percent is lost?
A. 70% B. 1.2% C. 17.5% D. 5.17%
Solve.The speed of a stream is 4 mph. If a boat travels 78 miles downstream in the same time that it takes to travel 39 miles upstream, what is the speed of the boat in still water?
A. 12 mph B. 8 mph C. 14 mph D. 15 mph