Answer the question about percent. Round your answer to the nearest tenth of a percent, if necessary.What percent of 2291 is 21?
A. 10,909.5%
B. 9.2%
C. 0.9%
D. 19.2%
Answer: C
Mathematics
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A. 2
B. 
C. - 
D. -2
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Find the value of the determinant.
A. 66 B. 39 C. -57 D. -39
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Use the given trigonometric function value of ? to find the requested trigonometric function value of the acute angle ?. Rationalize the denominators where necessary.sin ? = 
Find tan ?.
A. 
B. 2
C. 
D. 
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Add or subtract as indicated.
+ 
A. x - 2 B. x - 3 C. x + 3 D. x + 2
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