Which expression equivalent to -1/4(12x+8x)]

The step function g(x) is defined as shown. what is the range of g(x)? ***answer choices in picture.

Need on this one asap im almost done with this subject

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.