Can you see the difference between... (c) 2010 Language Science1 WhyWait™ Math Use your mouse or arrow keys to jump to the next slide.
(c) 2010 Language Science2...frowns and smiles? WhyWait™ Math
(c) 2010 Language Science3 Smiles start down with - WhyWait™ Math
(c) 2010 Language Science4 Smiles start down with WhyWait™ Math
(c) 2010 Language Science5 -...then go flat with... - WhyWait™ Math
(c) 2010 Language Science6 -...then go flat with WhyWait™ Math
(c) 2010 Language Science and end up with WhyWait™ Math
(c) 2010 Language Science and end up with WhyWait™ Math
(c) 2010 Language Science WhyWait™ Math
(c) 2010 Language Science Frowns start with + + WhyWait™ Math
(c) 2010 Language Science Frowns start with WhyWait™ Math
(c) 2010 Language Science then... 0 WhyWait™ Math
(c) 2010 Language Science then WhyWait™ Math
(c) 2010 Language Science and end with a - WhyWait™ Math
(c) 2010 Language Science and end with a WhyWait™ Math
(c) 2010 Language Science WhyWait™ Math
(c) 2010 Language Science Smile WhyWait™ Math
(c) 2010 Language Science Smile WhyWait™ Math Frown
GREAT JOB!!! (c) 2010 Language Science