Can anyone give me tips in studying for college entrance exams?

Question

my exams are 3 weeks away and i'm still not confident in my knowledge.

do you guys know any sites that can help me improve my math, science and english?

Answer 1

Please be specific. Which country's exams are you referring to? More information is necessary.

Answer 2

You get free one-on-one tutoring and free help with problems at mathhelpnow.blogspot.com