Find the difference.
- 
A. 
B. - 
C. - 
D. 
Answer: A
Mathematics
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Add or subtract as indicated. Write the answer in simplest form.
+ 
A. 
B. 1
C. 
D. 
Mathematics
Solve the inequality. Express your answer using interval notation.|x| < 9
A. (-?, -9) or (9, ?) B. [0, 9] C. (-?, -9) and (9, ?) D. (-9, 9)
Mathematics
Use the figure to solve the inequality.
f(x) < g(x)
A. {x|-1 < x < 3}; (-1, 3) B. {x|x < -1 or x > 3}; (-?, -1) or (3, ?) C. {x|-1 ? x ? 3}; [-1, 3] D. {x|x ? -1 or x ? 3}; (-?, -1] or [3, ?)
Mathematics
Rationalize the denominator. Assume that all radicands represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics