You can solve the equation 2x + 7 = 1 - x by graphing y = 2x + 7 and y = 1 - x and finding the point of intersection

Which expression gives the area of the triangle shown below

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

Match each inequality to the number line that represents its solution