How many red pencils does lois have if she has 36 pencils and for every green pencil she has 3 red pencils? i need an arithmetic solution for 5th graders.

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?

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?