What is the area of the polygon in square units?

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]

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax

Jane has 5 nickels. john has 3 dimes. jane says she has a greater amount of money. with the information given, is she correct?