IDNStudy.com, kung saan ang iyong mga tanong ay may malinaw na sagot. Ang aming komunidad ay narito upang magbigay ng detalyadong sagot sa lahat ng iyong mga katanungan.
Answer:
A set
Explanation:
A set is a collection of objects that have something in common or follow a rule. The objects in the set are called its elements. Curly braces are used to indicate that the objects written between them belong to a set.