Astudent must find the slope of a line that passes through the points (–1, 1) and (2, 3). which of the statements below best applies to the sample mathematical work

Hope this helps. not sure if that's all you need

So don't take my word i'm not exactly a mathematical person but i would assume a. because while selling the soap every month you increase in sells so you would by 11 percent. the you would get the factor 0.89 which if i had to guess would be the monthly profit over 11 probably wrong tho