Solve the problem.The width of a rectangular property is 6 kilometers less than twice its length. If its area is 216 square kilometers, find the dimensions of the property.

A. length = 9 km, width = 12 km
B. width = 12 km, length = 18 km
C. length = 12 km, width = 18 km
D. length = 3 km, width = 72 km


Answer: C

Mathematics

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A.
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Simplify the radical expression. Assume that all variables represent positive real numbers.

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