Simplify. Express in terms of i.
A. -2
B. 2
C. -2i
D. 2i
Answer: D
Mathematics
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Solve the problem.A promotional deal for long distance phone service charges a $15 basic fee plus $0.05 per minute for all calls. If Joe's phone bill was $47 under this promotional deal, how many minutes of phone calls did he make? Round to the nearest integer, if necessary.
A. 2 min B. 640 min C. 6 min D. 1240 min
Mathematics
Add and, if possible, simplify.
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics
Simplify the complex fraction.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation using the square root property.(2x + 5)2 = 49
A. {1, 6} B. {-27, 27} C. {0, 1} D. {-6, 1}
Mathematics