To determine when he will get home, Alexander wanted to know the speed of the bus. He knows how to calculate speed: Speed = Distance ÷ Time Alexander lives 10 kilometers south of the school and he usually gets home in 10 minutes.
What speed does the bus usually travel? What is the bus’ velocity? Remember to include units (km per min) in your answer!
Alexander’s speed is usually:
Alexander’s velocity is usually:

What is the average rate of change for this function for the interval from x=2 to x=4 ?

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?

In a study of the relationship between socio-economic class and unethical behavior, 129 university of california undergraduates at berkeley were asked to identify themselves as having low or high social-class by comparing themselves to others with the most (least) money, most (least) education, and most (least) respected jobs. they were also presented with a jar of individually wrapped candies and informed that the candies were for children in a nearby laboratory, but that they could take some if they wanted. after completing some unrelated tasks, participants reported the number of candies they had taken. it was found that those who were identiď¬ed as upper-class took more candy than others. in this study, identify: (a) the cases, (b) the variables and their types, (c) the main research question, (d) identify the population of interest and the sample in this study, and (e) comment on whether or not the results of the study can be generalized to the population, and if the ď¬ndings of the study can be used to establish causal relationships.