Answer:
D or x ≥ -1.
The open circle means that it has to be "Greater than or equal to" or "Less than or equal to". If the arrow is pointing to all the numbers <em>Bigger </em>than the number(In this case, -1), that means that x is greater than the number.
Hope it helped!
~flipohrama
C
Step-by-step explanation:
1. 125/5
25/1
250/10
2. 1/4
2/8
4/16
no
if two numbers are co-prime that is not necessary that one of them must be a prime number