Answer:
i think its a
Step-by-step explanation:
(sry if im wrong)
This expression is a perfect square trinomial. It has two answers but they don't have to be different. In this case it has to be the same - because it is a perfect square trinomial.
Answer:
Step-by-step explanation:
f(x)=4+20+4
=28
He put in 1 extra cup because the recipe only needed 3. 4-3=1.