The best design for Camille is the one in which the area matches the total of material she wants to use for each pillow.
Camille's main restriction is the material per pillow since she needs every pillow to use only 36 inches of material. Due to this, she needs to make sure the design meets this requirement.
The best method for this is to calculate the area of the design by using the sides. Here are the most common formulas:
Based on this, the best design is the one that adjusts to the material available.
Note: This question is incomplete because there is no information about the designs; due to this, I answered it based on general knowledge.
Learn more about area in: https://brainly.com/question/16151549