Reflecting a figure over the x-axis and then reflecting that figure over the y-axis is the same as applying what transformation? (please help me im this close to losing it)

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

How do i do this activity, is appreciated

Explain how you can use the associative property to evaluate (7x50)x4.