Answer:
(a) \frac{-1i}{2}-1[/tex]
(b) 
(c) i
Step-by-step explanation:
We have to perform division
(a) 
So after division

(b) We have given expression 
After rationalizing 
(c) We have given expression 
After rationalizing

I think is you just need to multiply that input number just to get the right answers
Example: 5 multiply by 5 equal 25
Try it
Answer:
Is this the whole question or u cut it?
Answer:
184
Step-by-step explanation:
Just multiply 12 by 7
The speed is 99 kilometers. U welcome