What are three states that were formed south of Sahara as a result of trade networks and islamic influence ?

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?

Compare and contrast the methods of argument that pertelote and chanticleer use to defend their interpretation of dreams. what is false about each of their arguments?

Situation #1: imagine that you are a free black male living in columbus, oh in 1863. you have seen the recruiting poster and have been thinking a lot about whether or not to enlist in the union army. write a one-page letter (double spaced) to your mother telling her of the decision you have made about enlisting (or not enlisting). be sure to explain the reasons that caused you to make the decision.