Of course they have fource fields and energy weapons

Maybe

They understand our tech,they'll use it but they do feel that are tech is below them if ya get the chane ready some of the books or comics,while the movie does show it,that pred was already death row,he do anythin to survive

Yes, in "The Predator" the Fugitive Predator used a gun when he escaped.

Of course if a 10 year old kid can do it so can a predator

Her back used an old pistol so yes they can

I mean greyback

The AVP arcade predators use smart guns and pulse rifles big red has 2 Japanese swords

Yes duh

Yes