Jessica notices that party central is running a special for play packages. the advertisement shows that each package includes 3 rounds of go-karts and 45 arcade tokens, plus $2.00off the regular price. there is a group of seven friends purchasing this package, including jessica. let represent the cost of a round of go-karts, and let t represent the cost of a token. write two different expressions that represent the total amount this group spent. explain how each expression describes the situation in a different way.

Which graph represents the function g(x) = |x + 4| + 2?

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.

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