Answer:
(8 - 42x - 56y -12xy) is you're answer.
Step-by-step explanation:
The formula for volume is Length x width x height.
Bottom: 18 * 12 * 8 = 1728 cubic centimeters.
Middle: 12 * 8 * 6 = 576 cubic centimeters.
Top = 4 *4*4 = 64 cubic centimeters.
Total: 1728 + 576 + 64 = 2368 cubic centimeters.
Hi! Your answer is 11358.24 dollars. I hope that helps!
It would be: 289*24/100 = 6936/100 = 69.36