hey guys could you please help me? i NEED the equation and the asnwer, please help and ill give you extra points! thanks!!

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.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?