God loves you and he is coming soon so please repent

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]

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression