Solve the equation.
- 
= 
A. 10
B. -10
C. 15
D. No solutions
Answer: B
Mathematics
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Factor completely, or state that the polynomial is prime.x8 - 1
A. (x4 - 1)2 B. (x4 + 1)(x2 + 1)(x + 1)(x - 1) C. prime D. (x2 - 1)4
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Solve the equation.
= 5
A. 
B. 
C. 
D. 
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Simplify the expression. Write the result using positive exponents only.-2z-3
A. 
B. 
C. - 
D. - 
Mathematics
Find the length of the curve with the given vector equation.r(t) = (8 - 2t)i + (4 + 6t)j + (9t - 3)k, -7 ? t ? -1
A. -88 B. -968 C. 66 D. 726
Mathematics