What is the verbal expression of 2(x-5)

Which representation has a constant of variation of -2.5

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)