I need help with this- give me an explanation and I’ll mark brainliest :)

What expression is equivalent to 1/2(2+3x-6)

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

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.