Melinda and marcus each have a job. melinda earns $12 an hour. she also receives a $75 weekly bonus.

melinda made a table to show how much she earns in a given week.
hours 0 5 10 15 20 25 30 35 40
weekly earnings 75 135 195 255 315 375 435 495 555

marcus earns $15 an hour.

marcus wrote an equation to determine how much he earns for a given number of hours in a given week.

y=15x

after working a certain number of hours, melinda and marcus will have each earned the same amount of money. how much money will they have earned then?

$

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