Unit 3 parallel and perpendicular lines homework 3 proving lines parallel, need help pls!

Determine the relationship of ab and cd given the following points

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x − y = 3p − q 3x + y = q − 3p x − y = p − q x + y = q − p