Answer:
Brian feels that no matter what he does, he will not be good at math because he was born without strong math skills. Brian is demonstrating the entity theory of intelligence, which MOST likely will reduce his ability to learn.
Step-by-step explanation:
The entity theory of intelligence refers to an individual's belief that intelligence and ability are fixed traits. For entity theorists, if perceived ability to perform a task is high, the perceived likelyhood for mastery is also high.