[Solved] Suppose that R and S are equivalence relations on a set A. Prove that the relation R ∩ S is also an equivalence relation on A. Conversational Tone: A style of communication that is informal, natural, and engaging, resembling a conversation between friends. Business Messages: Business Messages refer to any form of communication, typically formal, used in a professional setting to convey information, directives, or policies. Transition Words: Words or phrases used to connect ideas in writing, enhancing the flow and clarity of the text. Subordinate Thoughts: Ideas or considerations that are considered less important or secondary to the main subject.