Forty five people are going to the beach. Seven people can ride in each van. How many vans will be required

Which of the following are ways that people in democracies can take part in politics and gonverments

Those with high self-esteem are highly critical of their strengths and weaknesses. true or false

Martha participates in a research study in order to receive extra credit for her psychology class. when she arrives in the research office she is given a can of what looks and tastes like beer, but which actually contains no alcohol. in the adjoining room martha's classmate karen is also participating in the study. karen receives a can of alcoholic beer. if the experiment was designed to test the effects of alcohol on concentration, then who is exposed to the independent variable?