Multiply and simplify.
? 3b
A. b
B.
C.
D. 11b
Answer: D
Mathematics
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A.
B.
C.
D.
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Find the square root.
A.
B.
C.
D.
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Solve the equation on the interval [0, 2?).sin2x - cos2x = 0
A. ,
,
,
B. ,
C.
D. ,
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Determine the vertex of the graph of the parabola.y = - x2 - 6x - 9
A. (0, 3) B. (-3, 0) C. (3, 0) D. (0, -3)
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