△ABC is a right isosceles triangle, the centers of two arcs are the midpoint of

AB

and point C. Find the difference of the area of the "moon" and the triangle, if the length of hypotenuse is 12in.

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?

Plz heeeeeeelp plz give me the answer

Find percent notation for 0.008 0.008=