Perform the indicated operation. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Simplify. Express in terms of i.
A. ±5
B. -5i
C. -i
D. 5i
Mathematics
Simplify.7.455 + 0.05 ÷ 0.022
A. 19.955 B. 13.7050 C. 18,762.5 D. 132.4550
Mathematics
Solve.x2 + y2 = 130x2 - y2 = -32
A. (7, 9), (9, 7), (-7, -9), (-9, -7) B. (-7, -9), (-9, -7) C. (7, 9), (-7, 9), (7, -9), (-7, -9) D. (7, -9), (7, 9)
Mathematics
Find the domain of the composite function f ? g.f(x) = 
; g(x) = 2x + 4
A. {x 
B. {x 
C. {x 
D. {x 
Mathematics