david tiene libros en diferentes idiomas. se sabe que todos menos tres son libros en alemán, que todos menos tres son libros en italiano y que todos menos tres son libros en francés. El resto son libros en español ¿cuántos libros en español tiene David?​

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

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

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.