Write the expression in factored form: m²-n²

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?