Dr. Gero is the maker of them.
To reach his perfect form.
The film doesn't follow official canon but it is assumed that the events depicted take place during the time the Z Warriors were training for the Cell Games, and therefore, yes, the Androids were already absorbed by Cell.
Trunks turns super saiyan because after witnessing his friend gohan killed in the streets knowing it was the work of androids 17 and 18 explodes his anger explodes and he becomes a super saiyan.
In DragonBall and DragonBall Z, there are a total of 20 androids; in DragonBall Z, 5 androids were introduced.Android 16: Purely mechanical, with greater power and self-destruct mechanism.Android 17: A male cyborg forcibly transformed; he has infinite energy.Android 18: A female cyborg forcibly transformed; she has infinite energy.Android 19: Either a cyborg or machine (likely the former), this android can absorb energy through his palms.Android 20: Dr. Gero himself, this android can absorb energy through his palms.
Yes.
Before Androids 17 & 18 appeared, in The Androids Appear.
Cell has a total of 5 forms: larva cacoon imperfect form (without androids 17 and 18) semi perfect form (with android 17 only) perfect form (with both androids 17 and 18)
Android 17 and Android 18 don't exist yet. We are only at 3.1 Ice Cream Sandwich
Could i talk them to death or would they kill me before i even spoke
No they were brother and sister that were experimenrted on by Dr. Gero and made into androids
yes he does but the only androids he fought was android 13,19,16 and cell and super android 17
18 never got "killed" but 17 did because Cell absorbed "him" ("" cuz androids arent he or she theyre its)and he doesn't come back to life
No, you have to be 18.
yes because 17 has bled from the mouth in the anime
To reach his perfect form.
No. At 17 you are still a minor and your parents are still in charge. You can move at 18.
Unless you have your parents permission you have to wait until you are 18.