The expression 12xyz - 45 is a binomial because there are two terms that is being separated by the operation '-'. 12xyz is one term; 45 is another term. That makes two terms. Binomial is a polynomial with 2 terms.
Finding what a number is diviseble by or finding multiples of a number
The are would be 25
and we could make 3 squares. 75
5inches will be left over.