What is Re(z) and im(z) in Complex Number

i want this answer in 30 minutes.

Real part and imaginary part of the complex number. For instance, if z = a + bi, then Re(z) = a, and Im(z) = b. Note, Im(z) does not include i.

If you need more help, please clarify where you are in the process and what's giving you trouble. I'd be more than happy to continue to assist.