Can someone please help me w this?

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

Atown has a population of 7000 and grows at 3% every year. to the nearest year, how long will it be until the population will reach 12400?

Use the coordinates of the labeled point to find a point-slope equation of the line (3 -5)