Answer:
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Step-by-step explanation:
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The value of the expression is 8. I hope this helps!!!
The generic equation of the circle is given by:

Where,
r: radius of the circle
(xo, yo): center of the circle.
The center of the circle in this case is:

The radius of the circle is:

Substituting values we have:

Rewriting the equation we have:
Answer:
The general form of the equation of a circle with center at (a, b) and radius of length m is:
option A
Answer:
-51
Step-by-step explanation:
5x + 3y -7z = 5 x 4 + 3 x -5 - 7 x 8
= 20 - 15 - 56
= -51
I believe the answer is 0.24