Ms. graves gave her class 12 minutes to read. carrie read 5 1/2 pages in that time. at what rate, in n pages per hour, did carrie read?

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

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Acircle has a circumference of 28.36 units what is the diameter of the circle