Perform the indicated operations. Simplify the answer.
A. 
B. - 
C. 
D. - 
Answer: C
Mathematics
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Translate the phrase to an algebraic expression.Nine times x
A. 9x
B. 9 - x
C. 
D. 9 + x
Mathematics
Sketch D and g(D) from the description of D and change of variables 
x = u cos v, y = u sin v where D is the rectangle 1 ? u ? 2, 0 ? v ? 
?
A.
 ? |  |
B.
 ? |  |
C.
 ? |  |
D.
 ? |  |
Mathematics
Find the center (h, k) and radius r of the circle. Graph the circle.2x2 + 2y2 - 8x + 16y + 22 = 0
A. (h, k) = (-2, 4); r = 3
B. (h, k) = (2, -4); r = 3
C. (h, k) = (2, -4); r = 9
D. (h, k) = (-2, 4); r = 9
Mathematics
Find the opposite of the number.6
A. -6
B. 
C. -4
D. -6
Mathematics