If s= the number of students in a PE class, which algebraic expression represents the phrase below?
half the number of students. A. S-2
B. s/2
C. 2s
D. S+2

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.