The expressions 180 x (n - 2) gives the sum of the measures of the angles in degrees, of a polygon with n sides what is the sum of the measures of the angles in a polygon with 10 sides

3(10x-y)-5(x-y^2) need this solved asap

Football player weighed 170 2/3 pounds in may. during the summer he gained 25 5/12 pounds. during the first week of fall practice he lost 10 1/4 pounds and during the second week he lost another 3 1/2 ponds. how much does he weigh at this point? a.182 1/3ib b.181 1/2ib c.182 5/12ib d.183 2/3ib

Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4