Answer:
A
Step-by-step explanation:
There is an empty dot on 4, meaning b is not equal to 4.
The arrow is going to the left of 4, so it means that b is less that four.
Hope that helps!
Please elaborate more on your question so I can help you
That is just absolute value, basically what it means is take off whatever sign there was attached to it (such as a negative sign)
Answer:
They are on the same line
Step-by-step explanation: