Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Evaluate the limit if one exists.
A. 0
B. 
C. 
D. 
Mathematics
Solve the quadratic equation by completing the square.x2 - 12x = 11
A. {12 ± 
}
B. {6 ± 
}
C. {6 ± 
}
D. {-6 ± 
}
Mathematics
Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.-4
A. 4(cos 0° + i sin 0°) B. 4(cos 90° + i sin 90°) C. 4(cos 270° + i sin 270°) D. 4(cos 180° + i sin 180°)
Mathematics
Simplify. Write your answer in the form a + bi, where a and b are real numbers.(6 - 6i) + (4 - 2i)
A. 10 - 8i B. 10 - 4i C. -10 - 8i D. 10 + 8i
Mathematics