B. 8/27 D. 1/3 10. Three spheres of radii , 2r, and 3r, respectively, are melted and formed into a new sphere. Find the surface
area of this new sphere. A. 136.8 r(squared) C. 124.5 r(squared) B. 143.7 r(squared) D. 113.4 r(squared) 11. Three spheres of radii r, 2r, and 3r, respectively, are melted and formed into a new sphere. Find the volume of this new sphere. A. 54 pi r(cubed) C. 48 pi r(cubed) B. 43 pi r (cubed) D. 32 pi r(cubed)