Fifteen times the square of a non-zero number is equal to 12 times the number

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

Find the inverse of the given function. f(x)= -1/2sqr x+3, x greater than or equal to -3

In the library, 6 students are working on math. of those 6 students, 2/3 of them are working on fraction. how many students are working on fractions?