Wht is the expression and Jose’s final score?

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]

Which of the following is the shape of a cross section of the figure shown below

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28