Factor the difference of squares.121mn4 - 121mp2
A. 121(mn2 + p)(mn2 - p)
B. 121m(n2 + p)(n2 - p)
C. m(11n2 - p)(11n2 + p)
D. 121m(n2 - p)2
Answer: B
Mathematics
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When is the body moving backward?
A. 2 < t < 3, 4 < t < 5, 7 < t < 8 B. 8 < t < 9 C. 2 < t < 3, 4 < t < 5, 7 < t < 9 D. 8 < t ? 10
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Transform the equation to a form without an xy-term by a rotation of axes. Graph the curve.x2 + xy + y2 - 3y - 6 = 0
A. 
B. 
C. 
D. 
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Draw and shade a Venn diagram that corresponds to the set.
? 
A. 
B. 
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Find a4 for the sequence described.Geometric, with a5 = 81 and a7 = 1
A. 
or - 
B. 9 or - 9
C. 729 or - 729
D. 81 or - 81
Mathematics