Which set of transformations has been performed on triangle EFG to form triangle E"F"G"? A. Dilation by a scale factor of 4 followed by reflection about the x-axis
B. Dilation by a scale factor of 2 followed by reflection about the x-axis
C. Dilation by a scale factor of 4 followed by reflection about the y-axis
D. Dilation by a scale factor of 2 followed by reflection about the y-axis

If rt is greater than ba, which statement must be true ?

33 ! use the following data to determine the type of function (linear, quadratic, exponential) that best fits the data set. (1, 2) (5, 7) (9, 8) (3, 4) (4, 5) (2, 3)

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