Whats 10+10? And a joke pl. Im feeling depressed :(

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]

How do you find the area of a triangle

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10