Answer:

Step-by-step explanation:
equation of circle =

( h , k ) = center of origin
= radius
origin = ( 2 , -6 )
radius = 7

Answer:
8:2 or 2:8 I think
Step-by-step explanation:
Answer:
x=25
Step-by-step explanation:
x/5+4=9
x/5=9-4
x/5=5
x=5*5
x=25
3.14*r^2
Hope it helps you figure them out