Find an equation or inequality that describes the following object. A ball with center (-7,-1,8) and radius 7. Choose the correct answer below. O A. (x-72 + (y - 1)² + (z + 8)² 2 49 O B. (x+7) + (y + 13 +(z- 8)? = 49 OC. (x+7)2 + (y + 1)² + (z – 8)² s 49 O D. (x-7 + (y - 13 +(z + 8)? s 49

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Q: Here is the equation of a circle: (x- 2)2 + (y +7)2 = 102 1A. What are the center and radius of the…

A: Solution )A) ( x - 2)2 + ( y + 7)2 = 102 Equation of circle  ( x - h )2 + ( y - k )2 = r2 Centre = (…