I already know if it’s proportional or not I just need the number at the bottom plz help me it will mean a lot

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?

The amount of energy it takes to lift a box might be a function of which of the following

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.