I think it would be The first term indicates that the 14 girl scouts each sold 22 boxes of cookies per additional day of the fair. The second term indicates that the 14 girl scouts each sold 25 boxes of cookies on the first day of the fair.
4Th option is correct ✔️ ✔️
I would graph the points and find the equation
21/7 = 3 so then, 105/7 = x which is 15