Evaluate each of the following complex numbers and express

Evaluate each of the following complex numbers and express the result in rectangular form:
(a) z1 – 4ejπ/3
(b) z2 – √3 e j3π/4
(c) z3 – 6e– jπ/2
(d) z4 – j3,
(e) z5 – j-4,
(f) z6 – (1 – j)3
(g) z7 – (1 – j)1/2