Answer:
When subtracting rational numbers we follow the rules for subtracting integers. CHANGE the sign of the second number to the opposite, positive becomes negative, negative becomes positive
Step-by-step explanation:
Answer:
a
Step-by-step explanation:
Answer:
Positive ; Positive
Step-by-step explanation:
Since there's a modulus, negative values also become positive
Step-by-step explanation:
3