Question

What is the coefficient of the term ​ 67xy 1/7, 6, 6xy, and 6/7 Which one do I pick?

Answer 1

You would pick You would choose 6xy, or 67xy, unless that is with the 1/7,
and this is because the definition of a coefficient is "a numerical or constant quantity placed before and multiplying the variable in an algebraic expression",
so both of these have variables.