Can someone pls help with this question and could you show working with the answer.

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.

Azul has 4 green picks and no orange picks.you add orange picks so that there are 2 orange picks for every 1 green pick.how many picks are there now.