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Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6

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