Chad sells custom T-shirts with five of his friends. If the earnings are divided evenly, how much must the business make in order for each person to earn $45? What is the variable for this problem? A. expenditures
B. profit ratio
C. t-shirts
D. friends
E. total earnings

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?

Which choice represents the sample space ,s for this event

If you answer right ill give brainliest, : )