Answer:
FOIL stands for multiply the first, outside, inside, and last terms together. When you FOIL a binomial times itself, the product is called a perfect square. For example, (a + b)2 gives you the perfect-square trinomial a2 + 2ab + b2.
Step-by-step explanation:
Yes they can. they can have any lengths
THere are 52 students because there is 19 boys and 14 more girls than guys which means 19 + 19 + 14
It is a function. None of the x values repeat