60 POINTS please help me!
Use set-builder notation to define the complement of the set U=R

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

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Which graph represents the linear function below? y-3=1/2(x+2)