I need help with this

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?

Given that abcd is a rhombus, what is the value of x?

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost