What are the coordinates of the point on the directed line segment from (-5,8) to (-1,-8) that partitions the segment into a ratio of 3 to 1?

With alll of except for the 2 that i did already

Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?