Children are regularly assessed for their height and weight compared to national data provided by the Centers for Disease Control. Dahlin is somewhat short for his age, and his mother notices on his medical chart that it says Height: z = –1.48. What does this tell Dahlin’s mother about his height?

Explanation:

divide the number by his base height, and make sure that you solve it as a negative. not completely sure sorry.

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.