If MOPN is an isosceles trapezoid, find m_M.
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Dis the answer you perception is how you see the world 

The us is first  the  u.s. economy  remains the  largest in the world  in terms of nominal  gdp. however, the  u.s. economy  loses its spot as the number one  economy  to china when  measured  in terms of  gdp  based on ppp. in these terms, china's  gdp  is $23.19 trillion exceeds the  u.s. gdp  of $19.42 trillion

Their neck becomes more flexible allowing for a better view of vision. legs become stronger for running