Answer:
Area of the circle=
Step-by-step explanation:
Area of a circle=
For radius(r)=8 km
The area of the circle is :
=
As:

Area of the circle:

The Area of the circle with the radius of
is 
Answer:
11
Step-by-step explanation:
Just count it
C - no solution
you take the second solution and times the entire equation by -1
then simply
and you get 0x + 0y = 20