Need with a math question pls answer

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

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?