Well, what’s your question you need help with?
Answer:

Step-by-step explanation:
The open circle means that the point is not included in the solution set, and the arrow pointing left means that all numbers less than -2 are members.
In set-builder notation, each term has a special meaning. The braces enclose the members of the set.
Here's how you translate the notation,

Answer:
The correct answer is D because they are unknown
Step-by-step explanation:
X=1
solve for x by simplifying both sides
Answer:
1 element list
Step-by-step explanation: