Use Cramer's Rule to solve (if possible) the system of equations.
?
?
A. (6, 2, 6)
B. (6, -2, 6)
C. (-6, 2, 6)
D. (7, -2, 6)
E. (-6, -2, 6)
Answer: C
Mathematics
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Integrate the function.
dx
A. 
- 
B. 
+ 
C. 
+ 
D. 
- 
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Find the smallest value of N that will make the inequality hold for all n > N.
< 10-3
A. 30 B. 20 C. 21 D. 31
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Solve the problem.In a chemistry class, 7 liters of a 4%-saline solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?
A. 4.5 L B. 7.0 L C. 2.5 L D. 3.5 L
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Use the graph of y = f(x) to find the function value.f(-3) 
A. 4 B. -4 C. 1 D. -1
Mathematics