Answer:
2 units
Step-by-step explanation:
on edg
To answer this, use "completing the square."
x2 + y2 + 8x – 6y + 21 = 0 becomes
x^2 + 8x + 16 - 16 + y^2 - 6y + 9 - 9 + 21 = 0
(x + 4)^2 -16 + (y - 3)^2 + 12 = 0
or (x + 4)^2 + (y - 3)^2 = 4
Since 4 = r^2, r = 2 units, and the center is at (-4, 3)
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this is not a full question
8x^3y^4(3 sqrt xy) LETTER A :)