Find the total cost of producing 1 camera cases

You have two cards with a sum of -12 in both hands. a. what two cards could you have? b. you add two more cards to your hand, but the total sum if the cards remains the same, (-12).

Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form.

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)