CS_20-21 Math_GR7_#1 Villiams, Rimaya OO 2 of 18 < 1 1 2. 3 4. 5 6 7 8 9 The amount of stretch of a hanging spring versus the mass attached to the bottom of the spring was measured for different masses. The results are shown in the table. mass (grams) 2 4 8 10 stretch (centimeters) 4 8 16 20 What is the constant of proportionality between the mass and the amount of stretch? O 0.5 centimeters per gram 0.5 grams per centimeter squared 0 2.0 centimeters per gram 2.0 grams per centimeter squared