A un precio de $2000, la oferta de abrigos es de 30 unidades; mientras que su demanda es 400 unidades. Si el precio aumenta a $2800 por unidad, la oferta y la demanda serán de 230 y 3000 unidades, respectivamente. Determinar el punto de equilibrio de la oferta y demanda.

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

If square root x = -7, then x= -49 true or false