Given quadrilateral KLMN with K(–1, 4), L(2, 2), M(0,–1), and N(–3, 1). Verify that KLMN is a square. Make sure to include a final therefore statement explaining why you have shown this to be true. *Show your work*

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?

Me asap! what is the slope of this line? enter your answer in the box.

Can someone me out here number 4 plz