Why does my mom keep treating me like ****?

my mom always treats me like **** imam only 15 years old and i like to play basket ball.i came to the united states when i was three.ived alwayloved basketbll and my dream is to followit and go rpo .the only thing my mom thinks is that sports are stupid and that i shouldnt played it.i try out for 8 grade and she tooke out becuse practice ws oly form 3 to 6 and she wanted me at home.since i was 8 i started cleanning the house cleaning bathroom doing the laundry i was like the women around the house.the thing i dont get is that when do something good she says that it is because i wasnt something in return . and if i dont it she says im not getting whateve it is because i dint do it.now that im am 15c i like to go out and play sports and she doesent let me still i have googrades i even got a scholarship for baker aviation school.i dont do drugs i barely hang out with my freins because she doesnt let me andthe only thing i love to do is play basketball i made the team this year and iwas a starter and we had practice every day from 2:20 to 5 or 6 and she was always screaming and saying that im an asshole that se sholdve left me behind in hondurasand that she wisheshe never hae every day i would come back from practice i would get hit realy bad by her and she would humiliate me and talk mad rap about me and i really dint like itbecausefrom al my freinds im the only one with this problm she says that practiceshould be one day and not every day because back in her country it was only 2 days .but i tell her that there is no future in that country i really gets sad sometimes and start crying my self esttemm goes reallylow.today i woke up like at 9 in the morning i cleaned the whole house bathroom and everything ishes laundry fd her clothe change everyo shets all she does is clean if she needs a cup of water i have to get it to her iv she whants to it i have to serve her food and wash her dishes when she cooks shejust throws all the garbage in the sink and i have to clean it if she sees me sitting down se ges real pist and when iget pist she tells me watch im gining to send you back to honduras and i going to rip your residence crd and you ae going to go work at the farm and forget you have a mother ,this is how she always threatends me and if im goint to tell her somethingshe slaps me right accross the face when i was in the team this season20010-2011 she never went to pick me up one of my freinds had to take me and bring me back .when i come back i have to start cleanning the whole house do my homework and i finish like at 1 in the morning and wat really makes me sad id that she likes when i sufferr .iv never gotten a ki or love action from her i live with her my step dad and my little brother he is 7 and i hto clean his *** prepare his lunch prepare his uniform help him with his homework and i need a break too i and wat i ask as a break is playing basketball.my coach ,ade a field trrip to ucf university to play a tournament which is a camp and since i forgot to clean the fridge she said no and im grounded she says that in the summerr i have to clean even bbeter the house and take better care of my brother my mm says i shouldtreat he as a god because she brought me to this country bu i think taht is blshit because look how she treats me and i have a real dad that lives in jackson ville florida and shsays that if my she ver gets ivorce im going to hondurs and im never coming back and my brothe is going with m dad i want to know this is possible .she wants to do wat she couldnt do as a teen ager you know wat they are allthos dirty and crazy things.she says that im a discrace for her and that i shoulv never een born that makes me really sad al she cares about is her house and her cleanning.plaese i need some elp i cant take it any longer but i dont have the strenght to tell her that i dont want to be with her i ve tryde talking to her nice ,she screams.do something niceshe sreams.she even get mad when you play around wth her or joe around i really dont think this is a real mom are or is worth it live in this world there is so much more but i just cnt tell .please im begginhelp me ,imrying right now i need some help please please help.give me advicetell mwhat to do who to call or what to do al i love is basket ball and alshe des all dis sitdown and give me orders.i cant stand it any more i really whant to live with my dad thats why i want to know if it is true ifshe could send me to another country while having my ral dad here.i wrote this today because i need some type of help and i neverhad looked for help and if nobody hlps me i dont knjow what could happen please help me pleas helpme.i whantto knowf this is right what it is happenin and i want to know wat i coan do.thank u thanku thank uthank uthank uthank u