Use rational equations to solve the problems.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 in still air.
A. 435 mph
B. 605 mph
C. 525 mph
D. 550 mph
Answer: D
Mathematics
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Decide whether the statement is true or false.A numeral in an odd base is odd if its ones digit is odd.
A. True B. False
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Write the numeral as a Roman numeral.999
A. CMXCIX B. IM C. IXM D. MCXCIX
Mathematics
Use FOIL to find the product.(-4x - 9)(2x - 9)
A. -8x2 + 18x + 18 B. -8x2 + 18x + 81 C. -2x2 + 18x + 81 D. -2x2 + 18x + 18
Mathematics
Determine whether the graph is connected or nonconnected.
A. Connected B. Nonconnected
Mathematics