What is the largest number you can form from the numbers $2,5,8,9,10$ and the operations $\times,+,+,-$, and exactly one pair of parentheses? for example, you can form $2 \times 5 + (9 - 8 +10) = 21$, $(2 \times 5 +9) - 10 + 8 = 17$, etc.

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

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.