Solve the problem.An airplane travels 700 miles against the wind in 4 hours, and makes the return trip with the same wind in 1 hours. Find the speed of the wind.
A. 175 mph
B. 262.5 mph
C. 437.5 mph
D. 700 mph
Answer: B
Mathematics
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Subtract.684 - 168
A. 500 B. 616 C. 526 D. 516
Mathematics
Find the indicated probability. Round your answer to 6 decimal places when necessary.What is the probability that 4 randomly selected people all have different birthdays?
A. 0.9729 B. 0.9891 C. 0.9918 D. 0.9836
Mathematics
Solve the problem.A water tank is formed by revolving the curve y = 3x4 about the y-axis. Find the volume of water in the tank as a function of the water depth, y.
A. V(y) = 
y9
B. V(y) = 
y3/2
C. V(y) = 
y1/2
D. V(y) = 
y3/2
Mathematics
Evaluate using the order of operations.
+ 
÷ 
A. - 
B. 
C. - 
D. - 
Mathematics