Find the exact value of the expression.cos 1200°
A. - 
B. - 
C. 
D. - 
Answer: B
Mathematics
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Find the domain of x in the expression.
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B. 
C. 
D. 
E. 
Mathematics
Find the equation of the circle from the given information.Center at (0, 7), radius 2
A. (x + 7)2 + y2 = 4 B. x2 + (y + 7)2 = 2 C. x2 + (y - 7)2 = 4 D. (x - 7)2 + y2 = 4
Mathematics
Convert the units using unit fractions.9 days = 
hr
A. 216 B. 63 C. 108 D. 540
Mathematics
Multiply and simplify.
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B. 
C. - 
D. - 
Mathematics