Simplify. Express in terms of i.
A. 2i
B. -2
C. 2
D. -2i
Answer: A
Mathematics
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Graph the solution set of the system of inequalities.
+ 
? 1
+ 
? 1
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations. Reduce answers to lowest terms and write any improper fractions as whole or mixed numbers.
- 
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression.
A. 
B. 7
C. 7!
D. 1
Mathematics
Give an expression that generates all angles coterminal with the given angle. Let n represent any integer.98°
A. 98° + n ? 180° B. 98° + n ? 360° C. 98° + n ? 720° D. 98° + n ? 90°
Mathematics