Find the common difference for the given sequence. Type a numerical answer in the space provided. , , , ...

i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.

answer; humanistic;

answer; unimodal and symmetrical;

answer; is commonly believe to be "the" culture of a society;