2. El equipo de relevos del colegio de Andrea, ganó la carrera de 200 metros, en una competencia de los intercolegiados. Miguel corrió la carrera en 45,37 segundos, Sara corrió la suya en 39,93 segundos y Tomás, la suya en 57,39 segundos. A. ¿Cuánto tiempo empleó el equipo? B. ¿Cuánto tiempo más que Sara empleó Tomás?
C. ¿Cuánto tiempo menos que Miguel empleó Sara?

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell

Which scenarios are most effectively explored by conducting an experiment? there is more than one correct answer. select all that apply. researchers want to study the effectiveness of a particular drug for treating migraines. they want to know which dosage of the drug yields the best results with the least side effects. to ensure fair results, the researchers want to ensure that participants and dosage administrators do not know which dosage participants receive. a teacher wants to plan a class fieldtrip and quickly determine where students prefer to go for the class fieldtrip. a car mechanic wants to know which of two engine brands makes better-performing engines. he wants to test the engines in identical situations and rate their performance in a way that can be fairly measured. a chemist studies the properties of a metal compound. she wants to know how the sample size of the metal affects its ability to conduct electricity. she wants to conduct the research in a controlled environment to minimize bias. a realty company wants to know the average income of its clients. the company wants to gather data income from current clients.