Factor completely. If the polynomial is prime, state so.x8 - 1
A. (x2 - 1)(x2 + 1)(x4 + 1)
B. prime
C. (x - 1)(x + 1)(x2 + 1)(x4 + 1)
D. (x - 1)(x + 1)3(x4 + 1)
Answer: C
Mathematics
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Solve the system by the method of substitution.
A) (–4, 2)
B) (2, –4)
C) (–2, –4)
D) (–4, –2)
E) (4, 2)
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Evaluate the expression for the given values. Expression your answer as a fraction unless otherwise indicated.
x = 9, y = 10
A. 
B. 
C. 
D. 
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Solve the problem.Bob deposits $5000 at the end of each year into an annuity which earns 5% interest compounded annually. How much is the annuity worth after 
?
A. $34,009.56 B. $21,550.63 C. $27,628.16 D. $22,628.16
Mathematics
Solve the equation.(x + 5)(x - 2)(x - 15) = 0
A. {5, 2, 15} B. {0, -5, 2} C. {-5, 2, 15} D. {-5, 2, -15}
Mathematics