Your friend is looking into subscribing to a new music service. Nile Music offers three options for it’s music download service.• Option 1: $120 per year with unlimited downloads • Option 2: $6 per month plus $.50 per download

• Option 3: $2 per download

Using tables and/or graphs, as well as general rules, slopes, y-intercepts, and points of intersection, do a mathematical analysis of these different options and write a recommendation for your friend to consider when making their decision. Assume they will be subscribing for a full year.

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