When antonio opens and laya a cereal box out flag, he sees that the top and the botón of the box each mensure 2 noches by 9 noches, the sidra of the box each measure 2 noches by 11 noches , and the front and jack of the box each measure 9 inches by 11 inches . what si the surf ave área of antonio’s cereal box?

What is the value of x in the diagram below?

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

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.