Answer:
I am not sure if this is right but the answer is
The area of a circle with circumference 18π is 254.5
Answer:

Step-by-step explanation:
The distance between point (x1,y1) and (x2,y2) on a coordinate plane is given by expression 
In the problem given coordinate points are
(0, a) and (a, 0).
Thus, distance between these points are given by

Thus , expression
gives the distance between point (0, a) and point (a, 0) on a coordinate grid.
Answer:
Common ratio = -8
Step-by-step explanation:
Answer:
you would have to be still!
Step-by-step explanation: