How many positive integers less than 10,000 are such that the product of their digits is 210?

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

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.