Which number line represents the solution set for the inequality?​

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]

Find the commission on a $590.00 sale if the commission is 15%.

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.