loook peoples im now scared of ma UAI can some one pleassssssssssse help me!!!!!!!

so far ma overall marks r

extention 1 math -71%-2nd
mathematics-70%-3rd
biology-74%- 5th out of 12
chemistry-76- 1st
standard english -52%-somewhere in da middle
legal studies -71%- 5th out of 19 people

can i still get a UAI >65

I just sat for my half yearlys and don't know how i went i'm worried that if I didn't do well my UAI will be bad. how would my UAI be i do Extention 1 mathematics, mathematics, biology, chemistry, legal standard english.

help me!!!!!!!!!!!!!1
(pullin ma hair)