What is the surface area of this triangular pyramid?
1:63.25
2:10.75
3:17.5
4:28:25

If f(x)= 3x+6 which of the following is the inverse of f(x)

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.

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points