La edad de Josefina es la cuarta parte de la edad de su papá. Dentro de siete años, será la tercera parte. ¿Qué edad tienen Josefina y su papá?

What term makes it inconsistent y=2x - 4

What properties allow transformation to be used as a problem solving tool

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable