Answer:
A perfect square trinomial is the square of a binomial. It follows a pattern when it is factored, so that the first and last terms are perfect squares of monomials and the middle term is twice their product
Step-by-step explanation:
I think you need to add a picture?
A purchase is one where you purchase it and sales is one you sell :)
Hope that helped!
Answer:
yes
Step-by-step explanation:
since there are 20 children there has to be more than one that are the same age, because if there are kids up from 0-12 and there are 20 so ther must ne more than one somewhere