Astore owner wants to develop a new snack mix by mixing chocolate and trail mix. how many pounds of chocolate costing $17.60 per pound should be mixed with 23 pounds of trail mix costing $3.70 per pound to create a mixture worth $8.47 per pound.

Find an equation of the line perpendicular to the graph.

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 value of c would make he following expression completely factored? 8x+cy