Find the value of n—9 when n = 15

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.

Rewrite the point-slope equation in slope-intercept form: y - 3 = 2(x + 4)

To prove a polygon is a rectangle, which of the properties listed must be included in the proof?