I need to find X asap ill mark you brainiest

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]

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Will mark name all segments skew to bc