Final answer:
Marquita is using a retrieval strategy by recalling basic addition facts from memory to solve complex problems.
Step-by-step explanation:
Eight-year-old Marquita is using a retrieval strategy to help her solve addition problems. By pulling basic addition facts out of memory, she is employing the recall component of retrieval and solving complex addition problem. This strategy involves accessing information without cues or prompts, allowing her to solve addition problems based on her previously learned addition facts. This method allows her to access information without cues, which is essential for solving complex mathematical problems efficiently. Marquita is using a retrieval strategy to help her solve addition problems.
Answer: a. retrieval