How are fault length and magnitude related?

Find the equation of the line passing through the point (–1, 5) and perpendicular to the line 3x + y = 4.

I’m his published 95 theses, martin luther protested against? a-the selling of indulgences within the catholic church b-the belief in predestination c-the worshipping of statues of saints d- the catholic church focus on faith as the sole means of salvation

Find the coordinates of a if b(-9,-10) is the midpoint of ac and c has the coordinates of (-1,9)