fabioreyes709 fabioreyes709 06-11-2020 Mathematics contestada In order to join an online learning community, there is a $80 startup fee and a $15 monthly fee. Write an equation in slope-intercept form that models this situation. a. y= 80x +15 c. y= 80x - 15 b. y= 80 - 15x d. y= 15x + 80