Help

(write as unit rate) 12 meters in 2.8 seconds =

How to determine whether two known pairs of points are on the same line.

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.