Solve the problem.A jet plane traveling at a constant speed goes 1200 miles with the wind, then turns around and travels for 1000 miles against the wind. If the speed of the wind is 50 mph and the total flight took 4 hours, find the speed of the plane.
A. 435 mph
B. 525 mph
C. 605 mph
D. 550 mph
Answer: D
Mathematics
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Perform the indicated operation. Simplify the result.
- 
A. 
B. 
C. 
D. 
Mathematics
Complete the factoring.9x2 + 56x + 12 = (x + 6)( )
A. x - 6 B. x + 2 C. 9x - 6 D. 9x + 2
Mathematics
Solve the problem.Data representing the price and quantity demanded for hand-held electronic organizers were analyzed every day for 15 days. The logarithmic function of best fit to the data was found to be 
Use this to predict the number of hand-held electronic organizers that would be demanded if the price were $275.
What will be an ideal response?
Mathematics
Graph the system of inequalities.y < 2x + 1y ? - 
x
A. 
B. 
C. 
D. 
Mathematics