Okay so it says write an inequality that represents the fact that while making your product you can’t exceed this spending limit. after writing the inequality, solve it and graph it on a number line. the product costs about $45 and the spending limit is 200. i just don't know how to write the inequality and solve it. ?

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