2.- OFERTA El costo de una refrigeradora y cocina en la tienda de
la avenida Andahuaylas (comercial
flores)
inicialmente fuente 2000 soles, pero hoy su precio es
de 1500 soles ¿Que porcentaje representa la
diferencia de precios?.​

Marie will earn $15 per hour at a new job. during training, she will earn $10 per hour. what percent of marie’s regular hourly rate will she earn during training?

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3