Answer:

On this case n =6 and x =6 we got:

Step-by-step explanation:
The utility for the combination formula is in order to find the number of ways to order a set of elements
For this case we want to find the following expression:

And the general formula for combination is given by:

On this case n =6 and x =6 we got:

C i just took the test hope this helps:-)
Answer:
b^4
Step-by-step explanation:
have a good day
You would do 50+25-45. That would equal 30 points.