1.) Let's say that the circle on the graph below represents x. The arrow is pointing to all the numbers greater than x, which happens to be on -2. If it points right, this means that x can equal to any number greater than -2. So your answer is x > -2.
2.) For inequalities such as these, you can simplify just like what you do for normal equations. Let's isolate x.

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Answer:
D or B
Step-by-step explanation:
Answer:
I think it's C
Step-by-step explanation:
Answer:
10
Step-by-step explanation: