How do find out how many times larger a number is than another number such as the question how many times larger is 319,000,000 than 823,000

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?

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Write an equation in slope intercept form of the line passes through the given point and is parallel to the graph of the given equation (0,0); y=3/8 x+2