Factor the difference of two squares.50a4 - 72b2
A. 50a4 - 72b2
B. 2(5a2 + 6b)(5a2 - 6b)
C. 2(5a2 - 6b)2
D. 2(5a2 + 6b)2
Answer: B
Mathematics
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Find the volume of the solid generated by revolving the region about the given line.The region bounded above by the line 
, below by the curve 
, and on the right by the line 
, about the line 
A. 9?
B. 
?
C. 
?
D. 
?
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Simplify the expression.-|-11|
A. 11 B. 1 C. -11 D. -1
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Indicate whether the statement is true or false.A system of linear inequalities can have solutions in only one quadrant.
A. True B. False
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Solve the problem.Find the sum of the first 6 terms of the arithmetic sequence 2, 4, 6, . . . .
A. 30 B. 36 C. 49 D. 42
Mathematics