The number of common tangents to the circles \( x^{2}+y^{2}+2 x+8 y-23=0 \) and \( x^{2}+y^{2}-4...

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