I do not quite understand i need help with an explanation thank you.

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Put the equation in slope intercept form by solving for y