coral identification

Hello everyone I am a new member on reef2reef and I have a 60 gallon mixed reef aquarium and have a few corals I forgot/don't know the names of can you guys identify them for me. Thanks a lot, if you could number your answers that would be great thanks, Here they are:

We've had this in one of our farm tanks for over a year and it's about 9-10" across. Beautiful piece. Any guesses on what it is...it shouldn't be too difficult to figure out.

Can anyone ID this coral?... - is it a coral?... It is on a rock with yellow polyps and has a tubular shape with an opening in the end... It doesn't appear to change shape or position at all... Thx...

Will these propagate ? and how ?

And what about this one ?..... Sorry guys, I love my thank and spend about 10h a week on it but im a dummy and forget everything :)

It is the only Coral in the tank that is not going so well.....

Hello ! Here is a picture of my 1 yo 55g tank ! and I am wondering what is that coral in the second picture. Got it from a friend with a tank in distress. Coral dipped it and now it is doing good ! any Idea ?

I got this encrusted rock from someone locally for a few bucks. When I bought it I assumed it was a montipora but I'm not 100% sure on the identification. At first I thought it was a montipora digitata but I'm not so sure. There are obvious fingers and white ends around where it is growing, but...