A)La reserva nacional “Las Vicuñas”- Región de Arica y Parinacota con una superficie total que supera las 200.000 hectáreas procura proteger las siguientes especies: Si ambas especies suman 249 cabezas y 648
patas, modela un sistema de ecuaciones que
permita saber cuántos animales hay por cada
especie.

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

The owners of four companies competing for a contract are shown in the table below. if a report is released that advocates company b, which of the people having funded the report should result in the most skepticism? company owner of company company a jake adams company b company c company d debby smith henry rose rhonda baker o a. jake adams o b. rhonda baker o c. debby smith o d. henry rose