Twice a number plus 6 is 20​

State if the two triangles are congruent. if they are, state how you know?

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

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.