explain the relationship between costs in the short run and costs in the long run. and define the "short run" means.

The short run is a concept that states that, within a certain period in the future, at least one input is fixed while others are variable. ... The short run does not refer to a specific duration of time but rather is unique to the firm, industry or economic variable being studied.

Explanation:

i think this is it i hope it helps

Because it allows all factors of production to change, the economies of scale curve is a long-run average cost curve. The existence of fixed costs is assumed in short-run average cost curves, and only variable costs are allowed to change.

Explanation:

the money supply is the total amount of money available in the economy. how do changes in the money supply affect people and businesses?

this is a pretty broad question and can be a pretty lengthy answer. since 1900, women have gained a lot more rights and have become active in the workforce. with women being in the workforce, men play a larger role in family life. many family tasks are shared between men and women, whereas, women used to be the sole family caretakers.

that should get you started at least.