Answer:
4 + 4i
Step-by-step explanation:
Add the real part and add the imaginary part.
9 + 7i + (-5 - 3i) = 9 + 7i - 5 - 3i
= 9 - 5 + 7i - 3i
= 4 + 4i
1/Z this is my answer,and hope it can help you
not enough information to solve it as there are two unknowns in one inequality
2910:4
Fraction=1455/2 or 727 1/2
Decimal=727.5