Help me hurry fst PLEASE

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

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25