Answer:
d. 9
Step-by-step explanation:
it can't be the rest... ion even know how to explain it.
Answer: Pythagorean theroem
Step-by-step explanation:
The easiest method to use in terms of a missing side as long as you know at least two other variables whether its another side or angle
Answer:
B. 
Step-by-step explanation:
The given circle is centered at
and has radius 3 units.
The equation is given by

where (a,b) is the center and r is the radius.
We substitute the values to obtain;


I'm attaching the solution.. feel free to ask if you have questions.. I basically did long division. Hope this helps.