−7+3(−4e−3) khan academy equivalents

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.

What is the slope of the line that contains the points (-2,1) and (0,-3)

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?