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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A. True B. False

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Write the numeral as a Roman numeral.999

A. CMXCIX B. IM C. IXM D. MCXCIX

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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

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Determine whether the graph is connected or nonconnected.

A. Connected B. Nonconnected

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