What is the slope of a line parallel to the line y = 2x -1?

What is the absolute value of the complex number -4-sqrt2i

Can someone plz me understand how to do these. plz, show work. in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?