a)
the two points are,
(0,1) and (-3,-9)
thus the distance is,
[tex]d=\sqrt[]{(-9-1)^2+(-3-0)^2}[/tex][tex]\begin{gathered} d=\sqrt[]{(-10)^2+(-3)^2} \\ d=\sqrt[]{100+9} \\ d=\sqrt[]{109} \\ \end{gathered}[/tex]the two points are,
(10,-1) & (2,-5)
thus the distance is
[tex]d=\sqrt[]{(-5-(-1))^2+(2-10)^2}[/tex][tex]\begin{gathered} d=\sqrt[]{(-4)^2+(-8)^2} \\ d=\sqrt[]{16+64} \\ d=4\sqrt[]{5} \end{gathered}[/tex]