Sasha just accepted a short-term job working for a landscape architect. Sasha can take either of two positions with different pay options. She can help plant trees for $15 an hour, but she must buy her own gloves for $18. Or she can work as a cashier for $9 an hour with a one-time bonus of $30. Write an equation to show the income for each option. Use the grid provided to graph both equations on the same coordinate grid. Explain what the graph shows about the income of the two options.