Answer: 6
Step-by-step explanation: DE is 4+2 so EF would be the same if it is equal.
Answer:
Its positive
Step-by-step explanation:
3x - 5 = -3
3x = 2
x = 2/3
2/3 is positive
The train will have been traveling for 4 hours
train A=45,90,135, 180
train B=0,60,120,180