I need help at Maths!!

[AmazynGal]

Im really not good at maths ive tried a lot!! and asked my teacher for help but she always ignores and never understands my questions!! and i dont know what am i gunna do tomorrow T^T~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ :'( help me please!!

 

[TheJDOG]

https://www.xtremepapers.com/community/attachments/mathematics-0580-formula-sheet-2011-pdf.25102/

All you need, I revised using this, it's awesomely straight forward and very accurate, good luck, sis!