According to the graph, what is the value of the constant in the equation
below?

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]

Simplify the expression. -2/5(10+15m-20n)

Which of the following circles have their centers on the x-axis? check all that apply.