Me ayudan por favor con esto es para un examen

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.

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30