Run different macros based on userform checkbox values

The direct answer is to set up a bunch of If Statements. Something like this:

Private Sub CommandButton1_Click()

If OptionButton1.Value = True Then
    If ComboBox1.Value = True Then Call Macro1
    If ComboBox2.Value = True Then Call Macro2
    'etc
    'etc
Else
    If ComboBox1.Value = True Then Call Macro8
    'etc
    'etc
End If

End Sub

This is by no means the best way, but given the limited information, it is a solution.