The equation f(x) = 3x2 − 24x + 8 represents a parabola. what is the vertex of the parabola? (−4, 152) (4, −40) (−3, 107) (3, −37)

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.