Solve.
- 
= 
A. {x|x is a real number and x ? 0 and x ? 7}
B. ±
i
C. ±7i
D. No solution
Answer: A
Mathematics
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Determine the total surface area of the given cylinder. 
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Mathematics
Write an equivalent expression by factoring.(m + 3)(a - 2) + (m + 3)(a + 1)
A. (m + 3)(a - 3) B. (m + 3)(a + 3) C. (m + 3)(a2 - 1) D. (m + 3)(2a - 1)
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Write the series and find the sum.
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Mathematics
Write the standard form of the equation of the circle.Center (3, 0), r = 4
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Mathematics