Pls help pls help pls help pls help

For each proportion find the unknown number x 1/5/8=×/15

Is the figure congruent? yes or no?

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