Answer
Coverse: In the United States, if it is Independence Day, then it is July 4.
Biconditional: In the United States, it is July 4 if and only if it is Independence Day.
Work Step by Step
To write the converse of a conditional statement, write a new conditional statement that switches the hypothesis and conclusion.
To write a biconditional, join the hypothesis and the conclusion with the term "if and only if".