Express 533 base 6 to a in base three

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Ineed to know the answer right now! !