A square has a perimeter of 60 cm. what is the length of each side?​

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?

5/6+7/8what is the answer sealsdbdbshd

What’s the range cuz i can’t find it?