How Can I do this??? 50 POINTS

The heaviest 16% of all men in weight weigh more than how many pounds ?

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.