What is the simplified algebraic expression?
4x - 5
-8x - 5
-8x + 10
-8x - 10

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 of the following scenarios demonstrates an exponential decay

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?