The polar equation of a circle is given. Give polar coordinates for the center of the circle and identify its radius.r = -4 sin ?
A. C(4, ?), radius = 4
B. C(4, 3?/2), radius = 4
C. C(2, 3?/2), radius = 2
D. C(2, ?/2), radius = 2
Answer: C
Mathematics
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Provide an appropriate response.Rationalize the denominator and simplify: 
Fill in the blank(s) with the appropriate word(s).
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Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
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Provide an appropriate response. Combine: -9 + 22 + (-10) + 24
A. -21 B. 65 C. 27 D. -3
Mathematics
Use a number line to answer true or false to the statement.
-4 ? 8
A. True B. False
Mathematics