Which relationship between x and y in the equation shows a proportional relationship?

What is the equation in point slope form of the line that passes through the point (-1, -3) and has a slope of 4? y-1=4(x-3) or y+3=4(x+1)

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9

Askateboard ramp is in the shape of a right triangle what is the height of the ramp