Rosa is shopping in a new supermarket and wants to find a specific type of mustard. Which problem-solving strategy that is sometimes a barrier to achieving solutions would be most efficient?

heuristic

Explanation:

Based on the information provided within the question it can be said that in this scenario the best strategy would be a heuristic problem solving strategy. This is a series of mental shortcuts for solving a problem, which usually provide a good enough solution that is neither perfect or optimal but it is still a solution nonetheless. Which is what Rosa needs in order to find the mustard she wants.

glass wants to live in a world of super heroes and villains. he have lived all his life trying to be responsible for the creating the origin story of a super hero; he schemed and caused many incidents (many of them fatal) hoping that someday someone with superpowers would show up and save the day.

he knew himself very much. he saw himself as a villain of a real-life super hero story. he was aware of his strengths (more than smart enough for being manipulative and scheming) and weaknesses (having fragile bones and having to rely on his mind to succeed).

answer; obey the closest relative's wishes;