What is the equation of the line in slope-intercept form?

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 ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

Find the slope intercept form of (-3,6) and (3,-6)