Please help. Image is down below

How many lines can be drawn through points j and k? 0 1 2 3

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path