What does core mean? what are they for?

Annie is creating a corporate report for a company’s annual meeting. in the report, she wants to add the signature of various department heads. which device can annie use to capture signatures to include in the report? a. printer b. monitor c. e-reader d. digitizing tablet

Im doing this last minute and literally none of my neighbors or people that my dad works with use excel so if anyone could me make up an example

Which is the best minecraft server? a. mineplex b. worldonecraft c. 9b9t d. 2b2t