Write the number in simplest form, without a negative radicand.
A. 2i
B. -2i
C. i
D. 2
Answer: A
Mathematics
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Find the value of x that satisfies the equation.0.4 + x + 2.6 = 4.6
A. x = 6.8 B. x = 2.4 C. x = 1.6 D. x = 7.6
Mathematics
Find the following. Assume that letters can represent any real number.
A. 
- 2
B. 
C. 2 - x
D. x - 2
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Solve the polynomial inequality. Express the solution in interval notation.(x - 7)(x + 1) > 0
A. (-?, -7) ? (1, ?) B. (-1, ?) C. (-1, 7) D. (-?, -1) ? (7, ?)
Mathematics
Add. Do not use a number line except as a check.-17
+ 
A. -17
B. -18
C. 18
D. -17
Mathematics