Which direction do you shade on a graph for a disjunction? in the middle
two opposite directions

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]

Evaluate the expression for the given value of the variable 7a - 4a for a =8

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?