Clear fractions then solve by substitution.
- 
= -18
+ 
= -9
A. ?
B. {(-12, 0)}
C. {(12, 0)}
D. 
Answer: B
Mathematics
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Use the root test to determine if the series converges or diverges.
A. Diverges B. Converges
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Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
- 
A. 
B. 
C. 
D. 
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Solve the problem.Two angles are supplementary, and one is 40° more than three times the other. Find the smaller angle.
A. 105° B. 75° C. 35° D. 145°
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Solve the system of equations by Gauss-Jordan elimination.
A. {(4, -5, 0)} B. {(4, 0, -5)} C. {(0, -5, 4)} D. ?
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