Please help me answer/figure this out please. No links

Consider the line y = -3/-2 x +6. find the equation of the line that is perpendicular to this line and passes through the point (-9,-3). find the equation of the line that is parallel to this line and passes through the point (-9,-3).

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)