How do I do this and I don’t get the question.

What is always true when two whole numbers are subtracted?

50 points and will mark brainlest if you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking:

What is the equation of the line graphed?