A protons and electrons is the correct one
(x + 9) (x - 2)
= x^2 + 7x - 18☺
1st and 2nd shows = 2,580 + 2,920 = 5,500
If average = 3000 so 3 shows must be 3 x 3000 = 9000
So 3rd show = 9,000 - 5,500 = 3,500
Answer
3,500
2/3 x + 15 = 17
2/3 x = 17 - 15
2/3 x = 2
x = 2 / (2/3)
2/1 * 3/2 = 6/2 = 3
x = 3
Because d actually collects data about what the people want.