Which number line model represents the expression \dfrac34+\left(-\dfrac14\right) 4
3

+(−
4
1

)start fraction, 3, divided by, 4, end fraction, plus, left parenthesis, minus, start fraction, 1, divided by, 4, end fraction, right parenthesis?

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.