The expression below represents the total cost in dollars for a vase of flowers that includes roses, carnations, and daisies. The variables can be defined as r for roses, c for carnations, and d for daisies.
2r + c + 0.5d + 8

Steven earns extra money babysitting. he changes $33.00 for 4 hours and $49.50 for 6 hour. enter an equation to represent the relationship. let x represent the number of hours steven babysits and y represent the amount he changes. the equation is y=