Answer:
8 + 4i
Step-by-step explanation:
Put corresponding terms above each other and subtract in the usual way.
z = 3 + 5i
<u> w = -5 + i
</u>
z - w = 8 + 4i: 3 - (-5} = 8; 5i - 1i = 4
i
Answer:
The height of the tower should be 120 m
Step-by-step explanation:
Answer: 
Step-by-step explanation:

Answer:
58.3333333333
Step-by-step explanation:
Answer:
210x
Step-by-step explanation: