I know they need to be broken up into two components. There is just not enough information to go from here
X:
Vox-?, Vfx-? total distance 30 m
vx = v0x, x = v0xt,
Y:
Voy-?, Vfy-?, Vy at point B-Zero, Point B-?, Point C- 5.7m
vy= v0y - gt, y = v0yt - (1/2)gt2.
Time 1.9sec