Answer:
around 30
Step-by-step explanation: dont quote me though
It is quadratic your welcome
We need slope of all lines ?
Slope of JK:-

Slope of KL:-

Slope of JL

The volume of the fourth box is of 410.1 cubic inches.
---------------------
The volume of a rectangular prism is given by the <u>base area multiplied by the height,</u> that is:

---------------------
- For the first three boxes, the height is constant at 9 inches.
- At the base, the <u>edge length is multiplied by 1.5</u> each time, as
, thus, for the fourth box, the edge length, in inches, will be of 
---------------------
- Square base, of<u> length 6.75 inches</u>, thus:

- Height of <u>9 inches</u>, thus
and:

The volume of the fourth gift box will be of 410.1 cubic inches.
A similar problem is given at brainly.com/question/23756783
Since its telling you that x is the number of years and the question is "How much does the cost of milk increase EVERY YEAR" then you can conclude that the cost is increasing by 0.25 each year