Carly is trying to recall a mathematical equation so she can solve a problem on her math test. the process by which the equation is transferred back into carly's workbench memory for additional processing is called 8 options:

I believe the answer is retrieval.
in this context, retrieval refers to the process where our brain made an effort to make a previously stored information to resurface.
This type of process often conducted during activities such as remembering the subjects that we already studied, remembering the face of old acquaintances, remembering the shape of our house, etc.