Six cubic meters of gold has a mass of 44.862 kilograms what is the density(unit rate) of gold

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.