Andrew says the scale factor used was 3/2

Annie says the scale factor used was 2/3

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]

Answer this 30 points and brainliest!

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?