In a class, every student knows french or german (or both). 15 students know french, and 17 students know german. what is the largest possible number of students in that class?

How is the number of vertices for a prism related to the name of the prism

Se tiene en una caja de canicas 10, 4 blancas y 6 negras ¿cual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ¿cual es la probalidad que en 2 extracciones sin reemplazo sean negras?

Graph the following system of linear inequalities. identify at least two points in the solution: y < 5 - 2x | x + 5y > -7