Misc: In 1947 Tennessee ---------- play "A Streetcar Named Desire", opens. ?

Questions

on 'the lucy show', who played vivian bagley?

on 'the roseanne show', as what was david jacob known?

on 'the roseanne show', who was d.j?

on a dartboard, what number is on top?

on a darts board what number is directly opposite 10?