Simplify, if possible.

A.  
B. 5- 1
C.
D.


Answer: A

Mathematics

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Find the length and direction (when defined) of u × v.u = 4i + 2j + 8k, v = -i - 2j - 2k

A. 180; i +  j + k
B. 180; i + k
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D. 6i - k

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A. 5074 births per hour B. 7731 births per hour C. 8229 births per hour D. 4155 births per hour

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Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.Carol and Lu Yi carry a total of 5.5 liters of water as they begin a day hike. How many gallons of water are they carrying, to the nearest tenth?

A. 5.2 gal B. 20.8 gal C. 1.4 gal D. 5.8 gal

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