The Number Required for Friday Prayer
1) There aren't many people in the mosque to pray a Jama'a prayer, Do I still have to go?2) How loud exactly should my voice be in prayer (Jahreeya) and (Surreeya)? and is it any different if Monfared or Ma'moom? also if there is something that is somewhat noisy (ex. air conditioner), do I have to louden up my voice a little?3) There are 2 Azan in Fajr, please explain.