What is a wave? (please help this is important) i will give you brain thing if its correct

Using the chart below for reference, how would you describe the relationship between the amount of education you receive and the amount of money you make?

The president of american systems announces that all employees will be going on a trip to san francisco. some employees like the idea and some don't. according to the component of attitudes, these evaluations reflect the feelings of the employees.

What city was divided between communism and democracy/capitalism after world war 2