Solve. Give your answer as a mixed number if appropriate. 
= 
A. 20
B. 20
C. 20
D. 20
Answer: A
Mathematics
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Write the numeral as a Roman numeral.842
A. DCCCXLII B. DCCCLXII C. CMMXLII D. CCMXLII
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Solve the equations by factoring.x2 + 7x - 44 = 0
A. -11, 4 B. 11, 4 C. 11, -4 D. -11, 1
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Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire of constant density that lies along the first-quadrant portion of the circle 
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 0, 
= 
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Determine whether the graph of the polynomial has y-axis symmetry, origin symmetry, or neither.
A. y-axis symmetry B. origin symmetry C. neither
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