1 2 3 5 6 A survey result shows that cell phone usage among teenagers rose from 63% in 2006 to 71% in 2008. Of the following choices, which two statements about cell phone use among teenagers is true? Cell phone usage rose by 12.7 percentage O points. Cell phone usage rose by 8%. O Cell phone usage rose by 11.2 percentage points. Cell phone usage rose by 12.7%. O Cell phone usage rose by 8 percentage points. Cell phone usage rose by 127% O Cell phone usage rose by 8 percentage points. Cell phone usage rose by 112%