Consider determining how many possible phone numbers are in an area code (repeated numbers allowed). Isthis a combination, a permutation, or neither

look at the picture i have filled out a table for it. hope this .

(\) quetoooffcial (/)officially out of retirement

Well if you’ve already proven it, all i can give you is tips. in a paragraph proof just remember to use words like therefore, because, and since to bridge the gap between a statement and it’s reason in a paragraph proof.