What is 28/42 in simplest form

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1

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.

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x