Express the number in terms of i.-
A. -5i
B. 5i
C. 
i
D. -
i
Answer: A
Mathematics
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A. [4, ?) x ? 4 B. (-?, 4) x < 4 C. (-?, 4] x ? 4 D. (4, ?) x > 4
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Solve the equation.
- 
= 1
A. {3} B. {-3, -1} C. {3, -1} D. ?
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Find the surface area of the figure. Use 3.14 as an approximation for ?. Round your result to the nearest tenth.A sphere with d = 4.0 yd
A. 12.6 yd2 B. 33.5 yd2 C. 4.0 yd2 D. 50.4 yd2
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Convert to polar coordinates. Express the answer in radians, using the smallest possible positive angle.(-2, 0)
A. 
B. (2, 0)
C. 
D. (2, ?)
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