Solve the system of linear equations using the elimination method.
A. (-5, 4, 10)
B. (5, 4, 1)
C. (5, 1, 4)
D. (10, 4, -5)
Answer: B
Mathematics
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+ 
- 4
A. 2
B. 
+ 
C. 9
+ 
D. 
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Decide whether the figure is convex or concave.
A. Concave B. Convex
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Provide an appropriate response.Describe the graph of a consistent system of two equations in two variables.
What will be an ideal response?
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Use a sum or difference identity to find the exact value.sin 255°
A. 
B. 
C. 
D. 
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