5+ 8 x 1 over 2 what is the correct order of operations for simplifying this expression

Hi, can anyone show me how to do this problem? 100 points for this. in advance

Proving the parallelogram diagonal theoremgiven abcd is a parralelogam, diagnals ac and bd intersect at eprove ae is conruent to ce and be is congruent to de

Express -5 2/5 as an improper fraction.