Write the standard form of the equation of the circle with radius r and center (h, k).r = 2; (h, k) = (0, 0)
A. (x - 2)2 + (y - 2)2 = 2
B. (x - 2)2 + (y - 2)2 = 4
C. x2 + y2 = 2
D. x2 + y2 = 4
Answer: D
Mathematics
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+ 
A. 128 B. 64 C. 8 D. 4
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Find the exact value of the expression.
A. 
B. 
C. - 
D. - 
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The rectangular coordinates of a point are given. Find polar coordinates for the point.(-5, 5)
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C. 
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