Andy can drive 140 miles in 2 4/5 hours. Which statements are true regarding Andy's unit rate of hours per mile? Choose all that apply A. It takes Andy 0.02 hours to drive 1 mile. B)Andy's unit rate is equal to the ratio of the number of miles to the number of hours. C)Andy's unit rate is equal to the ratio of the number of hours to the number of miles. E)it takes Andy 1.5 hours to drive 75 miles. F) If Andy were driving slower, his hours per mile would be lower.

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Do, h = (7, 9) (14, 18) the scale factor is

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.