Answer:
A(1,6)
Step-by-step explanation:
SOOO, we're gonna graph it okay?
I graphed it, and A was the only one on the line.
I hope this helps
Its DBC, cause two is in that point so you just find the answer choice with those three letters in the right order.
Answer:
2 units
Step-by-step explanation:
The given equation of the circle is:

The general equation of the circle is:

Comparing the given equation with the general equation we can say:
g = 4
f = -3
c = 21
The formula for radius of the circle is:

Using these values of the given circle, we get:

Therefore, the length of radius of the given circle is 2.