Answer:
What ratio, and give me more details and I will come back and edit my answer.
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:

Step-by-step explanation:
The standard equation of a circle is:

where (h,k) is the center and r is the radius.
We need to make an equation of a circle, whose center is (11,-5) with any radius. Therefore, substitute the value.

The bolded part is your answer. Since the radius is not given, we can put any value.