Simplify the expression. Assume that all variables are positive when they appear.
A. 4x2y
B. 2x4y2
C. 2x2y
D. 28xy
Answer: C
Mathematics
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A. 0 B. 1 C. -2 D. -1
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Solve the problem.The velocity of a fluid flowing out of a tank through a small opening d ft below the surface is given by the expression 
. Simplify the expression.
A. 
B. 
C. 
D. 
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Simplify.log8 32
A. 
B. 
C. 
D. 
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Graph the equation.(x - 5)2 + (y - 5)2 = 9
A. 
B. 
C. 
D. 
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