The term "associate's degree" is the singular form, the degree of an associate (an undergraduate having completed a two year degree).
When referring to an associate's degree in general, it is singular. However, if you are talking about degrees belonging to multiple named individuals, you would use the possessive form, as in "the students' associate's degrees."
The plural is a normal S plural, associates.
The plural is relatives. The plural possessive is relatives'.
The plural form of the singular noun cousin is cousins. The plural possessive form is cousins'.example: Should I give matching gifts for my twin cousins' birthday?
The plural form is Mexicans. The plural possessive is Mexicans'.
The plural form is echoes. The plural possessive is echoes'.
The singular possessive form of BA (Bachelor of Arts degree) is BA's.The plural form for the abbreviation of BA (Bachelor of Arts degrees) is BAs.The plural possessive form is BAs'.
The noun wars is the plural form of the singular noun war.The singular possessive form is war's.The plural possessive form is wars'.Examples:Our city was in ruins by the war's end. (singular)The wars' cost in lives in the twentieth century should never be repeated. (plural)
The possessive form for the noun sea is sea's.Example: The sea's power should never be underestimated.
Coaster's is singular possessive. The plural is coasters, the plural possessive is coasters'.
The correct form is "its" for the possessive form in the plural. "Its" is used for both the singular and plural possessive forms, without an apostrophe.
The plural is briefs. The plural possessive is briefs'.
The plural is lads. The plural possessive is lads'.
The plural is trollies. The plural possessive is trollies'.
The plural is relatives. The plural possessive is relatives'.
The plural is stations. The plural possessive is stations'.
Museum is singular. Museum's is singular possessive. Museums is plural. Museums' is plural possessive.
The plural possessive is skiers'.If the plural form ends in an 's' then you simply add an apostrophe to make it a plural possessive. If the plural does not end in an 's' then you should add an apostrophe then an 's' to make it possessive.