Using similar devices Johnny was able to measure ships distances off shore. This proved to be a great advantage in war at the time. How far from the shore is the ship in the diagram

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Find the area of the regular hexagon if a side is 20 cm.

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