Horace is a professional hair stylist. Let CCC represent the number of child haircuts and AAA represent the number of adult haircuts that Horace can give within 777 hours. 0.75C+1.25A \leq 70.75C+1.25A≤70, point, 75, C, plus, 1, point, 25, A, is less than or equal to, 7 Horace gave 555 child haircuts. How many adult haircuts at most can he give with the remaining time? Choose 1

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