Answer:
The first one is -2x^2 - 21x + 4, the second one is -15 (I think, not 100% sure), the third one is 4xyz + 3yz + 5x - 4 (also not 100% on this one)
The first 8 on the left in this. umber has a VALUE of 800. :)
I MISS THE RAGEI MISS THE RAGEI MISS THE RAGEI MISS THE RAGEI MISS THE RAGEI MISS THE RAGEI MISS THE RAGE
And....?
There's not enough info for me to answer.
The cattle train
speed - 36.5 km/h
time - x h
the passenger train
speed - 29.2 km/h
time - (2.4+x) h
The cattle train caught up to the passenger train so the distance they travelled is the same.
Distance is speed times time.

The passenger train travelled for
12 hours before the cattle train caught up.