What figure is dilation of figure A by factor 1/2,note that image are not necessarily drawn to scale? PLZ HELP

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?

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

If you answer 2+2 you will get over 80 points