I need help with this

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?

Solve for the equation x. 2x + 22 = 4(x + 3)