Based on the quantity of the various items sold at the concession stand, the items that show a linear relationship include:
Why are these items showing a linear relationship?
Items that show a linear relationship are those that are either increasing or decreasing by the same amount overtime.
Change in Hotdogs:
= 142 - 131 = 120 - 109
= 11 = 11
Hotdogs are changing by the same amount.
Change in Soft drinks:
= 161 - 154 = 147 - 133
= 7 = 14
Change in Pretzels
= 96 - 64 = 120 - 112
= 32 = 8
Change in Nachos:
= 111 - 97 = 153 - 139
= 14 = 14
Therefore, the only items that are linear are the Hotdogs and Nachos.
Find out more on linear relationships at https://brainly.com/question/837754.
