Give a recursive definition of (a) the set of odd positive integers (i. e., {1, 3, 5, 7, }). (b) the set of positive integer powers of 3 (i. e., {3, 9, 27, 81, })

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?

Two lines that do not intersect are skew. always sometimes or never

Darian wants to build a regulation size pool table that is 9 feet in length.he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table