Express the indicated number in standard notation or trigonometric notation, as directed.Express the indicated number in standard notation. 
A. 4 - 4i
B. 4 + 4i
C. -4 - 4i
D. -4 + 4i
Answer: A
Mathematics
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Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 = 16
A. (h, k) = (4, 4); r = 16 B. (h, k) = (0, 0); r = 4 C. (h, k) = (4, 4); r = 4 D. (h, k) = (0, 0); r = 16
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Find the difference. Simplify the result.
- 
A. 
B. 
C. 
D. 
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