Whats the slope for the following picture

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3

What is the missing statement in step 4? ? rts ? ? vtu and ? rtu ? ? vts ? rts ? ? rvs and ? rtu ? ? stv ? vrs ? ? vru and ? usr ? ? usv ? vur ? ? vus and ? uvs ? ? sru

What is the equation of the parabola with focus (-1,-1) and directrix y=1?