Simplify.(w - 4)2
A. w2 - 8w + 16
B. w2 + 16
C. w + 16
D. 16w2 - 8w + 16
Answer: A
Mathematics
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A. (2.59 in., 3.27 in.) B. (1.76 in., 1.54 in.) C. (0.97 in., 2.51 in.) D. (1.54 in., 1.86 in.)
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Factor completely. If the polynomial is prime, state so.49x2y2 - 42xy + 9
A. prime B. (7xy + 3)2 C. (7xy + 3)(7xy - 3) D. (7xy - 3)2
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Multiply.(x + 7)(x - 7)
A. x2 - 14 B. x2 - 14x - 49 C. x2 - 49 D. x2 + 14x - 49
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Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
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