Factor the expression completely, if possible.121 - y2
A. (11 + y)2
B. (11 + y)(11 - y)
C. (11 - y)2
D. Does not factor
Answer: B
Mathematics
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Write an equation of the circle with the given center and radius.(-10, 5); 12
A. (x - 10)2 + (y + 5)2 = 144 B. (x + 5)2 + (y - 10)2 = 12 C. (x - 5)2 + (y + 10)2 = 12 D. (x + 10)2 + (y - 5)2 = 144
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Provide an appropriate response.Perform the indicated operations without a calculator: 152 =
A. 150 B. 225 C. 30 D. 23
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Graph the function.y = 3 cos 3?x
A. 
B. 
C. 
D. 
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What part of the set of objects is shaded?
A. 
B. 
C. 
D. 
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