If a plot of weight (in g) vs. volume (in mL) for a metal gave the equation y=15.28x and R^2=O.9981, what is the density of the metal?

Questions: 1) If a plot of weight (in g) vs. volume (in mL) for a metal gave the equation y=15.28x and R2=0.9981, what is the density of the metal? y=15.28=D15.28