The local ice cream shop is deciding whether or not to hire a new worker. The shop must pay the worker hourly and cover a daily cost for insurance. The cost to pay an hourly worker for one day is represented by the function y=10x+30, where x is hours. What is the slope, and what does it represent? a) 30; it represents the hourly wage for the worker, b) 30; it represents the cost for insurance, c) 10; it represents the hourly wage for the worker, d) 10; it represents the cost for insurance