Whats 14 4/10 - 13 1/3 ASAP

Cindy uses 1-inch cubes to find the volume of a jewelry box shaped like a rectangular prism. she uses 780 cubes to completely fill the jewelry box with no gaps or overlaps. if the jewelry box is 13 inches long and 5 inches wide, how tall is cindy’s jewelry box?

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

Who ever answers this will get a cookie from batman