Find all specified roots.Square roots of i
A. -i, i
B. -1, 1
C. 
- 
i, - 
+ 
i
D. 
+ 
i, - 
- 
i
Answer: D
Mathematics
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Fill in the blank(s) with the appropriate word(s).
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Solve the system of equations by the addition method.
A. (2, 9) B. no solution C. (-3, 9) D. (3, 8)
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Find the mean. Round to the nearest tenth.Value Frequency 134 2 187 5 226 3 273 2 363 1 392 1
A. 112.5 B. 227.3 C. 226.3 D. 265.2
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