Answer:

<h3>Answer c</h3>
Step-by-step explanation:

Answer:
Absolute value
Step-by-step explanation:
Absolute value is how many numbers it takes to get back to zero therefore it can never be negative, I think the term absolute value fits the blank perfectly
4qr+20g-11q hopefully this would help you
A 31 inches is the answer because it can't be higher than 39