Find the measures of m and n.

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

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.