Solve the problem.A twin-engined aircraft can fly 952 miles from city A to city B in 4 hours with the wind and make the return trip in 7 hours against the wind. What is the speed of the wind?
A. 68 mph
B. 85 mph
C. 34 mph
D. 51 mph
Answer: D
You might also like to view...
Determine which of the given choices is a solution of the equation.
2-5x=8+x (a) 1 (b) - 1 (c) 0 (d) 2 (e) none of these
Let Q represents a mass of radioactive radium 
(in grams), whose half-life is 1,599 years. The quantity of radium present after t years is 
. Determine the quantity present after 500 years. Round to the nearest hundredth of a gram, if necessary.
a. 0 g b. 0.31 g c. 0.81 g d. 1.61 g e. 2 g
Solve the problem.If two cards are drawn without replacement from an ordinary deck, find the probability that the second card is a spade, given that the first card was a spade.
A. 
B. 
C. 
D. 
Determine whether the improper integral is convergent or divergent.
A. Divergent B. Convergent