The polar equation of a circle is given. Give polar coordinates for the center of the circle and identify its radius.r = 8 sin ?
A. C
, radius = 4
B. C(4, ?), radius = 4
C. C
, radius = 4
D. C(4, 0), radius = 4
Answer: C
Mathematics
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Provide the proper response.If two lines intersect, they are not 
.
Fill in the blank(s) with the appropriate word(s).
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Solve the quadratic inequality. Express your solution on a number line using interval notation.3x2 + 2x - 8 ? 0
A. (-?, -2] ? 
B. 
C. [-2, ?)
D. 
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.(3 - x)3 - x3
A. (3 - x)(x2 - 3x + 9) B. (3 - 2x)(x2 - 3x + 9) C. (3 + 2x)(x2 - 3x + 9) D. (3 - 2x)(3x2 - 3x + 9)
Mathematics
Write the fraction in lowest terms. Use the method of dividing by a common factor.
A. 
B. 
C. 
D. 
Mathematics