A.  $\left(S\right): {\left(x+2\right)}^2+{\left(y+4\right)}^2+{\left(z+3\right)}^2=1$

B. $\left(S\right): {\left(x-2\right)}^2+{\left(y-4\right)}^2+{\left(z-3\right)}^2=6$

C. $\left(S\right): {\left(x-2\right)}^2+{\left(y-4\right)}^2+{\left(z-3\right)}^2=\frac{2}{7}$

D. $\left(S\right): {\left(x-2\right)}^2+{\left(y+4\right)}^2+{\left(z+4\right)}^2=8$

A.  ${\left(x+3\right)}^2+{\left(y+1\right)}^2+{\left(z-1\right)}^2=\frac{4}{9}$

B.  ${\left(x+1\right)}^2+{\left(y+1\right)}^2+{\left(z+1\right)}^2=\frac{4}{9}$

C.  ${\left(x-3\right)}^2+{\left(y+1\right)}^2+{\left(z-1\right)}^2=\frac{4}{9}$

D.  ${\left(x-1\right)}^2+{\left(y+1\right)}^2+{\left(z-1\right)}^2=\frac{4}{9}$

A.  ${\left(x+3\right)}^2+{\left(y+1\right)}^2+{\left(z-3\right)}^2=\frac{4}{9}$

B.  ${\left(x-3\right)}^2+{\left(y+1\right)}^2+{\left(z-3\right)}^2=\frac{4}{9}$

C.  ${\left(x+3\right)}^2+{\left(y+1\right)}^2+{\left(z+3\right)}^2=\frac{4}{9}$

D.  ${\left(x-3\right)}^2+{\left(y-1\right)}^2+{\left(z+3\right)}^2=\frac{4}{9}$

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

B.  ${\left(\mathrm{x}-5\right)}^2+{\left(\mathrm{y}-3\right)}^2+{\left(\mathrm{z}-3\right)}^2=18$

C.  ${\left(\mathrm{x}+3\right)}^2+{\left(\mathrm{y}+1\right)}^2+{\left(\mathrm{z}+3\right)}^2=1$

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

A. R = 2

B. R = 4

C. R = 1

D. R = 3

A.  $\left(S\right):{\left(x-2\right)}^2+{\left(y+1\right)}^2+{\left(z+1\right)}^2=0$

B.  $\left(S\right): x^2+y^2+z^2+4x-2y-2z+5=0$

C.  $\left(S\right): x^2+y^2+z^2-4x+2y+2z+5=0$

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

A.  ${(x-3)}^2+{(y-2)}^2+{(z-2)}^2=1$

B.  ${(x+3)}^2+{(y-2)}^2+{(z+2)}^2=1$

C.  ${(x-3)}^2+{(y-2)}^2+{(z-2)}^2=2$

D.  ${(x-3)}^2+{(y+2)}^2+{(z+2)}^2=2$

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

B.  ${\left(x-1\right)}^2+{\left(y-3\right)}^2+{\left(z+2\right)}^2=4$

C.  ${\left(x-1\right)}^2+{\left(y-3\right)}^2+{\left(z+2\right)}^2=2$

D.  ${\left(x+1\right)}^2+{\left(y+3\right)}^2+{\left(z-2\right)}^2=4$

A.  $3\sqrt{2}$

B. $\sqrt{3}$

C. $2\sqrt{6}$

D.  $2\sqrt{3}$

A. $x^2+y^2+z^2=16$.

B.  $x^2+y^2+z^2=9$.  

C. $x^2+y^2+z^2=6$. 

D.  $x^2+y^2+z^2=4$