I don’t know the answer but I need a answer to this
Answer:
Option D. 3 + 9i
Step-by-step explanation:
We know that the formula to find the middle point is:

We know that the middle point is:

And the end point
is: 
We wish to find the point 
So we can write the following equation
(i)
and
(ii)
Now we clear
from equation (i) and clear
from equation (ii)
For equation (i) we have:

For equation (ii) we have:

Then the initial point
is: 
The correct answer is the last option 3 +9i
Answer:
18
Step-by-step explanation:
Sum of the exterior angles of a polygon =360degree
⇒ 5x+4x+3x+2x+6x=360dregee
⇒ 20x=360degree
⇒ x=18degree
Answer:
the answer is option b because the sets in option b have an average of two and above
The correct answer is 55/4 which is equal to 13.75.