(3y^2 – 4y + 1) +
(- y^2 + 4y – 3)

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

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

True or false? a circle could be circumscribed about the quadrilateral below.