I need help with this geometry test. Its unit 5 lesson 10. I already answered them but i need someone to tell me if i got them right and if I didn't then answer them pls, i suckkk at geometry! 1. What is the area of the trapezoid? The diagram is not drawn on the scale. 9cm 4cm 5cm
A. 14cm^2
B. 20cm^2
C. 38cm^2
D. 56cm^2 (what i answered)

How do you determine whether a relationship represented as as graph is linear or nonlinear

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.

Are you guys willing to me with these last 8 questions on my homework for math reply to this question that i posted