How would you find the range? Please explain and leave the answer if you can thanks.

Hey am have account in but wished to create an account here you guys will me with my make new friends of uk !

Acircle has a circumference of 7.850 units. what is its radius?

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.