I would actually use division. So divide 56 by 8, and you'll get 7.
Or you can multiply 7 times 8 and get 56.
Hope this helps!
♤MidnightQueen
I don't know about the first one but for the second one:

The answer is 8 2/4.
(ignore this part because i just need more words lol)
18k i believe because it is a varible and a number so when u multiply them u just put them together.... is this multi choice question because to see the answers would help