I bored nothing to do and my friends are offline

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?

Martha entered into a contract with terry, an art dealer. according to the contract, terry was to supply 18 th century artifacts to martha for the play she was directing, and martha was ready to pay $50,000 for this. another director needed the same artifacts and was ready to pay $60,000. terry decided not to sell the artifacts to martha. in this case, the court may order terry to:

Explain the nazi cult of motherhood? (5 marks)