If you have 36 inch long string and cut it in nine equal pieces how long will the string pieces be

Find the difference (8ab+a+2) - (3ab+6)

What are the exclude value of mn+3m

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 in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.