Which statement best describes the significance of the number 10 in the metric system? AThere are 10 base units. incorrect answer BThere are 10 metric prefixes. incorrect answer CThe system is based on multiples of 10. incorrect answer DThe system is used by 10 countries.

Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

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