Write an equation of the perpendicular bisector for the line segment connecting c(2,6) and d(4,3)

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

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]