-2x-6
EXPLANATION
(3x-5) = (-2x) - 6
In effect, there is a proportional relationship between the mass and the volume of the pieces of metal. The equation of the line that adapts to the given data is given by: y = 0.1174x. Therefore the proportionality constant is 0.1174
24. o3o
8 * 3 = 24
3 * 8 = 24