The perimeter of a rectangle is 20 m and it’s area is 24 sq. m. find its dimensions a 4m and 8m b 4m and 6m c 6m and 8m d 12m and 8m

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]

Select the correct answer from the drop-down menu. this graph represents the inequality x+2< 4,2x> 3,x+6< 12,2x> 12

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x