Find the least common denominator for the expression.
+ 
A. 50xy3
B. 50x2y
C. 50xy2
D. 50x3y
Answer: B
Mathematics
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A. 8x B. x2 + 7x + 1 C. x2 + 7x D. 8x2
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Divide, if possible. If not possible, write "not defined."756 ÷ 7
A. 107 R 6 B. 108 C. 108 R 6 D. Not defined
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Find percent notation.9.0
A. 0.9% B. 900% C. 0.009% D. 90%
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Find the minimum-cost spanning tree for the graph.
A. 
B. 
C. 
D. 
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