University administrators are becoming more and more alarmed at the number of hours students work per week while attending the university. to study this issue, one administrator was assigned to examine the relationship between the number of hours worked per week in a semester and that semester's gpa for a random sample of students. in this study, what is the explanatory variable?

As you drive in to school, you hear a random radio-show caller arguing that sun exposure really has not been shown to cause skin cancer and that some research suggests that skin cancer is completely genetic and not related to sun exposure at all. at the time, you think that this is a silly argument and that the caller does not know what she is talking about. however, two months later, you are outside without wearing sunscreen, and you find yourself remembering that you had read something about how the sun actually does not cause skin cancer. this process is evidence that has influenced your attitude

Which organelle is marked with an x?

In a communication, the media needs to be shared between devices