What is the variable and the operation in the algebraic expression math 6/x .

What is the result of the following division?

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.

Im so bad at fractions they are not my best math thing to work on