A. which of the following expressions is correct?
) = 21
-(21) = 21
) = -21
(-21) = 21
b. the distance from a point to two is five units. the point could be located at
-7
-6
6
-3
c. m is an example of all of the following except
a constant
a term
an expression
a variable

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.