Cesítar tiene en una urna 12 fichas numeradas del 1 al 12. ¿Cuál es el mínimo número de fichas que ha de extraer para tener la certeza de haber obtenido 3 fichas numeradas consecutivas?

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?