view the answer on the photo that I added
Answer:
1
Step-by-step explanation:
Answer:

Step-by-step explanation:
we are given

Firstly, we will get rid of imaginary term from denominator
so, we will multiply conjugate to both top and bottom term




we can also write as
so, we get

Answer:
$19.20
Step-by-step explanation:
8.00x140%=$11.20
8.00+ 11.20 = 19.20
Answer: (-3, -21)
I'm not sure if that's what you wanted, sorry.