What is the answer and explain how did you get it

Acarton of juice contains 64 ounces miss wilson bought six cartons of juice how many ounces of juice did she buy

Me i’m stuck on all these questions besides the two bottom ones

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