The answer is D .. one hundred random students from the sixth grade
Jt wldbd be 1200 since you are subtractjnh and addibg
0=0, all numbers are solutions
Before combining the real parts and the imaginary parts, line them up vertically as follows:
4 + 4i
-13 - 17i
-------------- Now add up each column.
-9 - 13i (Answer A)