Factor completely. If the polynomial is prime, state so.121 - w2
A. (11 + w)2
B. (11 - w)2
C. (11 - w)(11 + w)
D. prime
Answer: C
Mathematics
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Solve the problem.
= 21
A. 2.2455 B. 2.277 C. 2.3067 D. 1.4248
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1
A. 
B. - 
C. -14
D. -49
Mathematics
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 8
B. 
C. 33
D. 
Mathematics
Solve.x5 + x2 ? 7x3 + 7
A. [-
, -1] ? [
, ?)
B. [-
, 
]
C. (-?, -
] ? [-1, 
]
D. [-7, ?)
Mathematics