Which of the following shows factoring of polynomials with difference of two squares? Choices:
⟩⟩ x2-2xy+y = (x-y)(x-y)
⟩⟩ 4a2 – b2 = (2a+b)(2a-b)
⟩⟩ 25m4+15m3 = 5m2 (5m2+3m)
⟩⟩ x2-x-2 = (x-2)(x+1)

need solution, hope someone answer this tricky question. ​

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi

The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in