Answer:
5 4/9 - 2 5/9= 26/9 or 2 8/9
Step-by-step explanation:
Answer:
it would be a positive number
Step-by-step explanation:
this is because you cant have a negative number of bikers.
The explanation is in the picture
Answer:
Because one letter represents an endpoint and the other doesn't.
Step-by-step explanation:
Ray AB starts at endpoint A and goes through point B and then on, indefinitely.
Ray BA starts at endpoint B and goes through point A and then on, indefinitely.
They 'point' in opposite directions.