I need this done by tonight. PLZ HELP

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]

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

What expression is equivalent to 1/2(2+3x-6)