you can spend at most $12 on red peppers and tomatoes for salsa. red peppers cost $4 per pound and tomatoes cost $3 per pound. write and graph the inequality that represents the number of red peppers and tomatoes you can buy

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