Find the center and the radius

Answers
A) (9,-9);225
B) (9,9);225
C) (0,3);15
D) (0,9);15

Center:

Radius:

Step-by-step explanation:

-According to the following equation, the center would be , because the center is known as from the equation of a circle. To find the radius, you would only need to square root the simplified radius from the following the equation and you would get the radius 15:

The equation of a circle:

The following equation:

Center:    Radius:

the mean and mad

step-by-step explanation:

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )