Perform the indicated operation. Write the result in the form a + bi.(
- 
i) + (
+ 
i)
A. - 
+ 
i
B. 
- 
i
C. 
- 
i
D. 1 + i
Answer: C
Mathematics
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Provide an appropriate response.Use a U.S. customary ruler to measure the line below to the nearest sixteenth of an inch: 
Fill in the blank(s) with the appropriate word(s).
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Solve.x2 = -100
A. ±10 B. 100i C. ±10i D. -10
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Write the ratio in three different ways.the ratio of 9 to 5
A. 9 to 14, 9:14, 
B. 9 to 5, 9:5, 
C. 9 to 5, 9:5, 
D. 9 of 5, 9;5, 
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Identify the expression as a monomial, a binomial, a trinomial, or not a polynomial.
A. trinomial B. monomial C. not a polynomial D. binomial
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