What are the square roots of 1?

NO LINKS! PLEAS! Due in an hour please help!!

Match each polynomial with its factorization.

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5