The density of pure silver is 10.5 g/cm3. Which one(s) of the following objects is (are) actually made of...

The density of pure silver is 10.5 g/cm3. Which one(s) of the following objects is (are) actually made of pure silver? SHOW YOUR WORK (just the formula work; use a calculator to do the math).
- A cube, which side measures 3.2 cm (32.768 cm3) and which mass equals 344 grams.
- A ring, which mass equals 29 grams, and that raises the water in a graduated cylinder from 20 to 24.1 ml.
- A spoon, which displaces 13 ml of water, and which mass equals 136.45 grams.