An elevator descends into a mine shaft at the rate of 6 m/min. if the descendstarts from 20 meter above the ground level, how long will it take to reach - 340m?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

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.