PLEASE HELP? 13 yrs old need help?

Do you think i could lose 30 pounds or more in 69 days or by Christmas???? Please give me some tips to help me get there. Im 13 years old with slow metabolism i guess? PLEASE HLP? And idk if i have slow or fast metabolism im Apple shaped im a female so everything i eat goes to my stomach so do you think i can lose it?? BTW: im a 5'9 13 yr old Female