PLS HELP ASAP ILY One hour after Junior Space Cadet had left his house, his sister Gwen discovered that he had forgotten his head. If Junior was driving at a speed of 50 mph, and Gwen drove at a speed of 75 mph, how many hours did it take Gwen to restore Junior's head to his shoulders?

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Which is the completely factored from of xy^3-x^3y

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.