Which situation cannot be represented by the equation 8 - I= 3?

Chamberlin wants to bottle 1\8 of her apple cider. she pours the apple cider evenly among 6 bottles. what fraction of her apple cider will she put in each bottle? what expression could represent this situation?

Are triangles the congruent? write the congruency statement.what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?