I ned help

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

Which of the following is true for the relation f(x)=2x^2+1

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27