Uand v are position vectors with terminal points at (-1, 5) and (2, 7), respectively. find the terminal point of -2u + v.
(0, -3)
(4, -3)
(4, 17)
(9, -8)

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Arectangle has a perimeter of 24 inches. if the width is 5 more than twice the length, what are the dimensions of the rectangle?

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