Roger is binge-watching the new season of his favorite television show. It takes him 45n minutes to watch n episodes of the show. Last night, Roger watched 4 episodes. How long did it take Roger to watch 4 episodes of his favorite show?
ANSWER QUICKLY PLEASE. 15 POINTS

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect