2 units, 3 units, 6 units
36 units, 1 unit, 1 unit
9 units, 2 units, 2 units
12 units, 3 units, 1 unit
All options stated above would result in a volume of 36 cubic units.
This would be listed as true, since 740<.
If C = 7, You would do 7-2 = 5
X = -1, y = 5. Hope this helps