Salman wrote a smart goal for class. part of the goal includes the fact that he will complete ms. murray's extra-credit assignment. what part of his smart goal does this fact represent? measurable timely specific success

Specific

Explanation:

The answer is specific because if you read the statement and question  which states Salman wrote a SMART goal for class. Part of the goal includes the fact that he will complete Ms. Murray's extra-credit assignment.

What part of his SMART goal does this fact represent?

if you read it, its specific in ways that detail he is in fact going to complete that extra- credit assignment.  

specific is represented by Ms. Murray's extra-credit assignment

Explanation:

SMART goals is a way of programming your process to get your objectives, this is an acronym that represents:

Specific (simple, sensible, significant).

Measurable (meaningful, motivating).

Achievable (agreed, attainable).

Relevant (reasonable, realistic and resourced, results-based).

Time-bound (time-based, time-limited, time/cost limited, timely, time-sensitive).

Then in the example, Salman in the first part specifically refers to the extra credit assignment of Ms. Murray's class, not any other, that makes it the element for this first letter of the acronym.