None are. (see the related questions below)
The plural possessive of editor is editors' but it cannot take a possessive in the combined form "editor in chief" -- the plural possessive is editors in chief's.
The plural possessive form is enterprises'.
The plural form is acrobats. The plural possessive is acrobats'.
Three geese's nests is the correct plural and possessive
Theirs. It is a singular pronoun so has no plural possessive.
The plural is runners-up. The plural possessive is runners-up's.
No, the correct plural possessive form for the plural noun editors-in-chief iseditors-in-chief's.example: The editors-in-chief's committee has approved my investigative series.
The plural form of the compound noun editor-in-chief is editors-in-chief.The correct plural possessive form is editors-in-chief's.
The plural form is editors. The plural possessive is editors'.
The plural form of the compound noun editor-in-chief is editors-in-chief.The correct plural possessive form is editors-in-chief's.
The plural form of the noun editor is editors.The plural possessive form is editors'.example: He's the guest speaker at the editors' conference.
Customers' is the correct plural possessive. Customer's is a singular possessive.
The plural possessive form is enterprises'.
The plural form is acrobats. The plural possessive is acrobats'.
Three geese's nests is the correct plural and possessive
The possessive plural is histories'.
Theirs. It is a singular pronoun so has no plural possessive.
The correct plural possessive form is women's, just as it is in the question.