The expression is not simplified, because both the numerator and the denominator can be divided evenly
Step-by-step explanation:
Recall the identity

We can see that

11 choose 7 is equal to 11 choose 4. 11*10*9*8/4/3/2=330.
Answer:
what are the equations
Step-by-step explanation:
you didnt show the equations
We are unable to answer this question without being able to see the graph.