Solve the system using Gaussian elimination.
A. {(7, 6, 9)}
B. {(7, 9, 6)}
C. {(-7, 9, 14)}
D. ?
Answer: B
Mathematics
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Factor by grouping.
?
?
A. 
B. 
C. 
D. 
E. 
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Solve the problem.Find 
.
A. 0 B. 1 C. 8 D. Does not exist
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Find the requested area or volume.Area of a rectangle: Length = 13 m, width = 1
m
A. 20
m2
B. 3
m2
C. 10
m2
D. 3 m2
Mathematics
Multiply and simplify.
? 3b
A. 
b
B. 
C. 
D. 11b
Mathematics