Will give BRAINLIEST

Please show work.

What do you think car designers do if the damage caused by a crash test is too severe?

Why should seat belts not be mandatory quick plz

Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.