Evaluate the determinant.
A. -20
B. 140
C. 20
D. -140
Answer: B
Mathematics
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cos 
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sin 
A. 1
B. 
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÷ 3
A. 1
B. 1
C. 2
D. 1
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Graph the inequality.y < 
x
A. 
B. 
C. 
D. 
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Find the difference. Simplify the result.
- 
A. 2x
B. 
C. 
D. 
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