Solve. First combine any like terms on each side of the equation.-5x - 6x = 11
A. 1
B. 11
C. -1
D. - 11
Answer: C
Mathematics
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Evaluate the integral.
A. 2
+ 4 tan-1 
+ C
B. 2
+ C
C. 2
+ 4 ln 
+ C
D. 2
- 4 ln 
+ C
Mathematics
Solve the system by the elimination method or a combination of the elimination and substitution methods.5x2 + 3xy - 5y2 = -9 x2 - xy - y2 = -5
A. {(-1, 2), (1, -2), (2i, i), (-2i, -i)}
B. {(-1, -2), (1, 2), (2i, -i), (-2i, i)}
C. 
D. 
Mathematics
Find the domain of the rational expression.
A. {x|x is a real number and x ? -1 and x ? 7} B. {x|x is a real number and x ? -1} C. {x|x is a real number and x ? 7} D. {x|x is a real number}
Mathematics
Perform the indicated operations. Round the result to the nearest thousandth if necessary.
A. 0.13 B. 13.005 C. 1.301 D. 0.013
Mathematics