A .. En un triángulo rectángulo, la hipotenusa mide 12 cm y uno de sus catetos mide 8. ¿Cuánto mide el otro cateto?.

B.. En el triángulo DEF:

Calcular las Razones Trigonométricas Cos (F), Sen (F) y Tg (F)

ayuda porfavor es para una tarea de mañana plisss

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?