Can someone at least me with 2 4 and 6 ?

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

What are the domain and range of the function? f(x) = -4 (sqrt)x

What is the solution of log2  (3x  -  7)  =  3? 4 5