I need help asap please it going to 100 points

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?

Solve -.016x= -16. need solving this

E. which of the following is not a possible probability? a. 25/100 b. 1.25 c. 1 d. 0