A:AnswerAs a user of the original iPad, I was pleasantly surprised to find that you can have two applications open on the screen at the same time. Check with Apple Support iPad for lessons on what is available and how to do i.
A:AnswerShort answer, yes, but only the first generation Apple Pencil.
Longer answer. The first generation Apple Pencil can be used STARTING with the sixth generation iPad (which I think is the 2018 model). The second generation Apple Pencil can ONLY be used with the iPad Pro.
Here are more good links to reference directly from Apple's website...
https://support.apple.com/en-us/HT211029
https://support.apple.com/en-us/HT205236
I hope you find this helpful, and I hope this answers your questions and/or concerns.
Thank you, stay safe, and have a beautiful day!