Solve the problem.A plane flies 400 miles with the wind and 350 miles against the wind in the same length of time. If the speed of the wind is 25 mph, what is the speed of the plane in calm air?
A. 375 mph
B. 400 mph
C. 380 mph
D. 365 mph
Answer: A
Mathematics
You might also like to view...
Solve the equation 
for y. Round your answers to two decimal places, if necessary.
?
A. 
or 
B. 
or 
C. 
or 
D. None of the above.
Mathematics
Find the mean. Round to the nearest tenth unless otherwise stated.Gallons of gasoline: 5, 14, 14, 3, 14 (Do not round.)
A. 10 B. 51 C. 9 D. 12.5
Mathematics
Provide an appropriate response.How could you solve the equation(7x + 5)(2x - 9)(8x - 6) = 0? How many equations do you need to solve? What are their solutions?
What will be an ideal response?
Mathematics
Simplify the complex rational expression.
A. -2b(a + b) B. 2a(a + b) C. -2a(a - b) D. -2a(a + b)
Mathematics