-4x4x(-3x2+9) what is the answer this question on my math homework

What are the coordinates of the image of p for a dilation with center (0, 0) and scale factor 2

Three consecutive integers have a sum of 234. what are the three integers

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