Answer as many possible please!

Question

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What does bipartite graph mean?
When was Judy Blume born?
How is 2 negative 1 equals 0?
Is Sheila a german name?

Thats some hard questions for a year four like me.PLEASE HELP ME

For your Sheila question:

http://www.etymonline.com/index.php?term=Sheila
(Note that the reference is to Ir. not De. or Ge. What do you think "Ir." stands for?)

For the rest, you need to wait for a math teacher. Be aware, though, that no one will do your work for you, although they should be able to point you in the right direction.

=)

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760648