Mika’s gym allows her to bring 3 guests for free. after the first three, she must pay $7 per guest. how many guests, g, can she bring to the gym if she pays $42?

three of these equations give the correct value of g. which equation does not?

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