A DEF has vertices D(-5, -1), E (3,3), and F (1, -5). Find the equation of the altitude through F in slope-intercept form.

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.