The graphs below show measurements from cubes with different side lengths.
Which pairs of variables have a linear relationship?
Select two options.
side length and perimeter of 1 face
24
perimeter of 1 face and area of 1 face
O surface area and volume
Perimeter of 1 Face
A
12
area of 1 face and surface area
8
side length and volume
4
1
4
6
2 3
Side Length
36
327

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I'm confused on this could anyone me and show me what i need to do to solve it.

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list