Answer:
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
(2, 8)
Because you cannot divide by 0, which 2 would do to the bottom.
Not sure what you mean by solve for r^2
but
a/4=r^2
if u wanna go further
r=(a/4)^1/2
Theirs no picture, I dong know if you forgot to put it along with it but theirs nothing to answer