Two points, l and n, are 160 m apart. m lies on the straight line joining l and n. an object travels from l to m at an average speed of 10 m/s in 6 seconds and then from m to n at an average speed of 25 m/s. find the average speed of the object for its entire journey from l to n.

Statement: if two distinct planes intersect, then their intersection is a line. which geometry term does the statement represent? defined term postulate theorem undefined term

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?

36 inches/second = yards/minute how many yards?