Answer:
1. 13+10i
2. 28-(-4i)
3. -14-1i
4. 4 -i
5. 15+ 10i
6.8 - 5i^2
Step-by-step explanation:
Answer:the answer is b or c
I hope this helps!
3.81972
128 men
90 × 28 × 8 = M × 18 × 15/2
M = 128