How does a sign of M (positive/negative) tell you about the graph of the line

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?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.