Solve.|x| ? 6.9
A. [-6.9, 6.9]
B. (-?, -6) ? (6, ?)
C. (-?, -6.9) ? (6.9, ?)
D. (-?, -6.9] ? [6.9, ?)
Answer: A
Mathematics
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?
?
A. 
?
B.
C.
D.
E.
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Solve the formula for the specified variable.P = 2L + 2W for W
A. W = 
B. W = 
C. W = P - L
D. W = d - 2L
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Simplify the expression.
A. 
B. 
C. 
D. 
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Multiply.11x(-9x + 11)
A. -99x2 + 11x B. -99x2 + 121x C. 22x2 D. -9x2 + 121x
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