Advantage: Because of your accent, some people may be interested in you. Not in you particularly, but since your accent sounds nice, they may be interested from where you are and the history of that place.
Disadvantage: Some people may find your accent weird and stuff, you may get bullied and made fun of because of it.
Answer:
One meaningful advantage of free enterprise is flexibility. In a free enterprise system, workers can change careers and start a new business at any time. Also, individuals can attempt to launch new ventures to capture untapped markets and meet new demands as they arise.
Explanation:
I believe the answer you are looking for is the "Neolithic Period".
Answer: Twice
Explanation: With quadratic functions they are usually represented by parabolas and they can cross the x axis only once or twice :)