What is the gradient of the line x+2y=1?

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]

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?