Go to the companion wheel, its in the top left quarter. It should be "Change to melee/long-rang weapon. You can now alternate and change what type of weapons your companion uses.
the dog you can apparently get.
Yes. :)
no
Fallout New Vegas is a role playing game.There are several powerful weapons available to find or to buy.The Sniper Rifle is one of the better weapons.
Deathclaws. And there weird companion but i dont no that tings name
Yes, you can use weapons from Fallout New Vegas DLCs in the base game.
Gun Runner's Arsenal.
You will find the blueprints to several unique weapons in various places. You can assemble the weapons at a workbench.
If you mean when you leave the items on your companion and you enter a casino, im sorry but they are gone forever, there is no way to get them back, not even a back room that they keep the weapons in.
You must hire Arcade Gannon as a companion. You can find Arcade with The Followers area inside Freeside.
Occasionally Fallout: New Vegas will freeze, but not as frequently as Fallout 3.
Search fallout new Vegas on Google or go to youtube im sure one of those two will have some info. if that does not work go to the website www.ign.com when i went on there they had many advertisements on new Vegas. You can also get some extra info and some sneak peeks at weapons, characters, locations, vaults and the like at WWW. Fallout.Wikia.com, at this site you can also get some info on other stuff like previous fallout games, weapons and even behind the scenes info on just about everything fallout