I hate my mom ?! What do i do .?

My mom is a complete bi*** ! no lie . I dont know what to do anymore . I constantly get yelled at for stupid stuff . Like today i wasnt really hungery so i ate a piece of toast . My mom was like " we have all this food and you choose toast ?! It has alot of starch in it !! " then she kept on going on with it . Sometimes i get called names like bi**h , or stupid or dumb . And sometimes she threatens tonsend me to my dads house or hit me . She often mumbles that she wishes she could goto work and never return . It hurts and i often cry myself to sleep . I know its bad to say i hate her but i truly do . She always gets attiude with me for the stupidest things . Like yesterday i asked if i could hang with my friend and she said yes but she had an attitude she wasnt doing anything except watching tv !!!! I dont know what to do . I dont feel wanted . I feel like if i was gone she wouldnt have these problems what do i do ?