If you need to make a sudden stop when driving a car without abs, use a (blank) action, a technique referred to as (blank)

Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.  

Find the solutions to the linear equations represented by the models shown, where circles and squares are shown evenly balanced on balance beams. Assume the weight of a circle is 1 unit and the weight of a square is x units.  

x = 4  

x = 2  

x = 3  

x = 5  

x = 9  

x = 6

Explanation: