Dans un College de 250 élèves, 72 pratiquent le football, 50 au basket-ball et 65 qu Volley- ball. on a noté que 24 Footballeurs jouent aussi au basketball et 14 au volley-ball; de plus 13 Volleyeurs pratiquent le basket et 4 font les trois sports. Combien d'éléves ne pratiquent aucun sport?

Two lines parallel to the same plane are parallel to eachother

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.

Which expression is equivalent to -12(3x-3/4)