Answer:
A resume is a document saying all of your skills,past jobs,and things like diplomas and all those things
It is important to have a resume so that when you are applying for a job,the person who would be hiring knows if you are qualified for the job.
You should include,schools,(if any) jobs,your skills that would benefit you in this job,and any awards or things that allow you to get a job like a PHD diploma,masters degree and all that
i dont know this one sorry :(
A resume has to be long enough to provide everything someone would need to know about you,around a page full of information,or like a few paragraphs.
Explanation: