I need help someone .

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Evaluate cos2θ for cosθ = square root of 3/2