NOTamathematician.
I just realized that you have asked this exact same question FIVE times in tha past hour.
Do you realize how rude that is!!
And, it has been answered on two different threads as well - what a waste of answeres time!
Do not do this again!!
If your questions falls way back in the line than you can do a new post with the address of the original post in it.
You are expected to wait a reasonable period of time, certainly more than an hour, AND your question should be way down from the top of the list!
You new post can be called 'repeat request' or something like that.
and you can state3 that you still really want help.
This is a teaching site. The fact that you have homework and have to go to bed in 5 minutes is irrelevant to us.
Thank you for giving your answerers points and a sort of an appology.
Now that you understand I am sure you will not do it again.