Find the nonpermissible replacement for s in this expression s-1/s-5

Which statement is true 1.the pythagorean theorem can be used to find the missing side of any triangle 2.the pythagorean theorem can be used to find the missing side of any polygon 3. the pythagorean theorem can be used to find the missing side of any right triangle 4.the pythagorean theorem can be used to find the missing side of any isosceles triangle

Put the following steps for calculating net worth in the correct order

What is the value of x? enter your answer in the box.