Which of the following statement is true?

What kind of bond pays interest which is exempt from tax?

Pls will give brainliest and all p.s u can zoom in if u cant see plss

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.