What is the solution of the system of equations?

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 is the distance between the points 4,10 and -3,-14 on the coordinate plane

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?