$\mathbf{A}\mathbf{.} \left(S\right): {\left(x-1\right)}^2+{\left(y-2\right)}^2+{\left(z-3\right)}^2=5$

$\mathbf{B}. \left(S\right) : {\left(x-1\right)}^2+{\left(y-2\right)}^2+{\left(z-3\right)}^2=\sqrt{5}$

$\mathbf{C}\mathbf{.} \left(S\right):{\left(x+1\right)}^2+{\left(y+2\right)}^2+{\left(z+3\right)}^2=5$

$\mathbf{D}. \left(S\right):{\left(x-1\right)}^2+{\left(y-2\right)}^2+{\left(z-3\right)}^2=3$

A.  $\left(S\right): {\left(x-1\right)}^2+{\left(y-2\right)}^2+{\left(z+5\right)}^2=25$ 

B. $\left(S\right): {\left(x+1\right)}^2+{\left(y+2\right)}^2+{\left(z-5\right)}^2=25$

C.  $\left(S\right): {\left(x-1\right)}^2+{\left(y-2\right)}^2+{\left(z+5\right)}^2=5$ 

D.  $\left(S\right): {\left(x+1\right)}^2+{\left(y+2\right)}^2+{\left(z-5\right)}^2=36$

A.  ${(x-5)}^2+{(y-2)}^2+{(z+3)}^2=16$

B.  ${(x-5)}^2+{(y-2)}^2+{(z+3)}^2=4$

C.  ${(x+5)}^2+{(y+2)}^2+{(z-3)}^2=16$

D.  ${(x+5)}^2+{(y+2)}^2+{(z-3)}^2=4$

A. $2\sqrt{6}$

B. $\sqrt{3}$

C.  $3\sqrt{2}$

D.  $2\sqrt{3}$