Un deportista establece el tiempo en minutos que le dedicará a su entrenamiento con la siguiente expresión algebraica: 5n + 15, en donde n es el número de semanas que lleva de práctica. Según esta expresión, ¿cuántos minutos de ejercicio realizó en la primera y en la cuarta semana de entrenamiento? A.
20 minutos la primera semana y 35 minutos la cuarta semana

B.
15 minutos la primera semana y 35 minutos la cuarta semana

C.
20 minutos la primera semana y 30 minutos la cuarta semana

D.
15 minutos la primera semana y 20 minutos la cuarta semana

David bought a poster for an art project. the poster is 2.7 feet wide and 3.9 feet tall. what is the area of the poster?

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

Which geometric principle is used to justify the construction below?