Find the difference of the complex numbers
(5+9i) -2i)
a. 9+11i
b. 1+7i
c. 9+7i
d. 1+11i

Combine the like differences, which turns out to be exactly 9+11i

So (A) is your answer

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For the first question the answer is a, for the second c, for the third d, for the 4th b, for the 5th a