lvy randomly surveys students in her school to learn about mobile phone password use. Of 25 respondents, 14 use a password. If lvy conducted her survey of 25 students on a volunteer basis, are the results representative of the school? Why or why not ?

What is 20+(5 x 2/5 )+ 3 show your work

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit

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.