Find the slope and y-intercept

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.

Find the maximum value of p= 4x + 5y subject to the following constraints :

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319