book Maths Puzzle Numerical Ability

X+Y

O (3-2i)+(3+2i)=6

Does O mean to put (3-2i)put into (3+2i)?

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I'm a distance learner and hope some one can help me.

I do not understand this question:

Find the equation of the in the graph (0,3).

I appreciate the help. please help me with this???

5/8 (p-4) =2

will you explane it to me please?