Why are people so rude and mean

A careful observation of many rude individuals will reveal that they are deeply insecure, with low self-confidence and a lack of understanding about human behavior. As the Brazilian novelist Paul Coelho sagely observed: “How people treat others is a direct reflection of how they feel about themselves.”

Step-by-step explanation:

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saving = more money

step-by-step explanation:

if you have 100 bucks, and you want to buy a candy bar, even if you have one at home, if you choose not to buy it, you save.

~courtney

step-by-step explanation:

a bicycle manufacturer uses the given expression to model the monthly profit from sales of a new model of bicycle, where x is the selling price of one bicycle, in dollars.