Pls answer 10 and 12 show your work

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]

In the diagram, gef and hef are congruent. what is the value of x

Determine the standard form of the equation of the line that passes through (-2,0) and (8,-5)