What is this called?

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?

In the case of furman v. georgia (1972), the united states supreme court ruled that the death penalty- in specific cases- being arbitrarily and inconsistently imposed, often in a discriminatory manner. as a result, the imposition of the death penalty as a punishment was stopped throughout the united states.

The graph represents price and output quantities under a monopoly what price will the monopolist firm set