A fish tank has 150 gallons of water and is being drained at a rate of 12 gallon each second. A second fish tank has 120 gallons of water and is being filled at a rate of 14 gallon each second. After how many seconds will the two fish tanks have the same amount of water? help!

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