2. The South Bowie Library and Oxon Ha Library are having a used book sale. The total cost, y, is a function of the number of books, x. In which library is it cheaper to buy books? Explain.

b. Which function has a greater rate of change? Explain.

c. How much cheaper or more expensive is South Bowie Library than Oxon Hill Library? Explain.

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?

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

This is about circle theorems. someone asap : (