what is the least amount of cardboard needed to make a box that measures 7 inches by 12 inches by 5 inches

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?