Please advise

I am directly getting to the point ,
I am an 18 yo girl living with her sister and parents.
I can't wake up early from yesterday, even I put up an alarm and that's made my mother really angry yesterday, I wake up listening her yelling and crying and then I cried whole day .
And afterwards , when she came from work at afternoon , sge got angry because we haven't eaten our lunch and then started yelling and abusing us and praying for death of either her or us.
BUT I WANT TO END THIS AND DO WHATEVER IT TAKES TO MAKE HER HAPPY . PLEASE HELP ME .
My mother gets so angry for reasons like not doing the work which she wants done . But how can I know what work is she thinking about . She doesn't talk to us and sort it out . She finds reasons for negativity and never respects another person's views or opinions . My father, he doesn't have his own opinion , he just sides with mother and starts shouting and abusing at us .
Please advise me some things that I can do for making her happy ,she doesn't accept apologies and she is very....
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