What is the slope of the line?

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]

Taking algebra two apex courses and need with these questions

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?