Solve.An airplane travels 600 miles against the wind in 
and makes the return trip with the same wind in 
Find the rate of the wind.
A. 120 mph
B. 90 mph
C. 300 mph
D. 210 mph
Answer: B
Mathematics
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Provide an appropriate response.Solve, checking for extraneous roots: 
= 
A. x = -4 B. x = 4 C. x = -18 D. x = 18
Mathematics
Find the part.5000% of 128 universities
A. 6400 universities B. 640,000 universities C. 640 universities D. 64,000 universities
Mathematics
Find 
Mathematics
Find the indicated function.The weekly revenue and cost functions for a manufacturer of coats are 
and 
where x denotes the number of coats produced. What is the weekly profit function?
A. P(x) = -0.0015x2 + 12.2x - 28,000 B. P(x) = -0.0015x2 + 9.8x - 28,000 C. P(x) = -0.0015x2 + 12.2x + 28,000 D. P(x) = -0.0015x2 + 9.8x + 28,000
Mathematics