Quotient is:

Remainder: 0
Answer and workings in the attachment below.
4th one btw I was a prospect elite on Brainly but I got banned
Let the time = x
Distance = Speed x time
One train is 75x, the other train 85x
Add together to equal total distance:
75x + 85x = 384
Simplify:
160x = 384
Divide both sides by 160:
x = 384 / 160
x = 2.4 hours
It’s the 9 because it’s 3 times 3
Answer:
V=πr6^2h
/3
Step-by-step explanation: