H[x]=x^2-9x+36 answer

Sorry guys but as you have a small brain

Write the following as a base and exponent

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.