An isosceles triangle has an angle that measures 140°. Which other angles could be in that isosceles triangle? Choose all that apply.

15° , 20° , 140°, 55°

Please explain or tell me the formula TYSM!

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.