He (inadvertently at first) used the ring to become invisible, and followed Gollum to the corridor leading to the exit, then snuck out past the goblin guards. At one point the ring slipped off his finger and he was visible to the goblins for a moment, but he quickly put the ring back on and they couldn't find him.
In The Hobbit Bilbo escapes from the cave because Gollum thinks that he found his ring and knew the way out.
So Gollum started to go to the exit but Bilbo had put on his ring and followed Gollum to the exit. However Gollum was blocking the exit because he was searching desperetly so Bilbo had to jump over him to escape.
Gollum noticed the wind fly past him though but he didn't manage to catch Bilbo
Gollum, believing that Bilbo already knows the way out of the cave, leads an invisible Bilbo to the exit. Gollum also believed Bilbo to have his ring (his precious), so he fervently searched for him. However, Bilbo not knowing the way out of the tunnels, indeed found freedom by following Gollum. And indeed Bilbo did have the magic ring and was able to follow Gollum undiscovered because the ring made him invisible.
The dwarves are Bilbo's friends for most of the Hobbit.
He proves himself useful on several occassions. He rescues them from the spiders in Mirkwood. His warning allowed Gandalf to escape and rescue them in the Goblin Cave. He gets them out of the elf dungeon in Mirkwood. And then he gets them into the Mountain.
Bilbo Baggins was hired to be the burgler in the Hobbit.
Bilbo was 50 years old in The Hobbit, which was considered middle aged for hobbits.
Yes, in chapter 9 the dwarves (but not Bilbo) were imprisoned by the Wood-elves in Mirkwood forest.
Bilbo found both the ring and Gollum.
if referring to chapter 10, the quick escape
Bilbo Baggins is a hobbit from The Shire.
The dwarves are Bilbo's friends for most of the Hobbit.
in short, yes. he is a very hesitant hobbit, but with an irrepressible spirit for adventure.
Bilbo IS a Hobbit. Etymologically, a Hobbit is literally a "hole dweller" while Bilbo means "a short sword".
The company isn't actually all with Gollum, only Bilbo. Bilbo uses the ring he picked up amid his wanderings to escape, which happened to be the one Gollum was looking for. It turns the wearer invisible.
a magic ring that he found in the cave allows him to turn invisible. He used the rings ability to help him escape.
All of them help Bilbo in "The Hobbit"
Yes he is a hobbit. He is a relative to Frodo.
He proves himself useful on several occassions. He rescues them from the spiders in Mirkwood. His warning allowed Gandalf to escape and rescue them in the Goblin Cave. He gets them out of the elf dungeon in Mirkwood. And then he gets them into the Mountain.
Bilbo snatches the keys from the jailer and unlocks the doors, then they set off in barrels down the river.