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\fWrite an equation for a sphere centered at the point (6,7,-7) with radius 8.Find the center and radius of the sphere with equation (ac - 1)'+ (y - 3) + (2-2)2 = 1 Center: Radius:Let P( 1, 1, 3) and Q(3, 5, 2) be two points in R3. Find the distance between P and Q. T2= Find the center and radius of the sphere with equation (m 1)2+ (y+2)2+ (3+4)2 = 36 Center: [I Radius: [l