Find the number of common tangent to the circles `x^2+y^2+2x+8y-23=0` and `x^2+y^2-4x-10 y+9=0`

The number of common tangent(s) to the circles x^(2)+y^(2)+2x+8y-23=0 and x^(2)+y^(2)-4x-10y-19=0 is 1(b)2(c)3

The number of common tangents to the circes x^(2)+y^(2)+2x+8y-25=0 and x^(2)+y^(2)-4x-10y+19=0 are

Find the number of common tangents to the circles x^2+y^2=4 and x^2+y^2-6x-8y=24

The number of common tangents to the circles x^(2)+y^(2)-y=0and x^(2)+y^(2)+y=0 is

Find the number of common tangents to the circles x^(2)+y^(2)-8x+2y+8=0andx^(2)+y^(2)-2x-6y-15=0 .