A 200-watt refrigerator is turned on all day, every day. The refrigerator uses $8,64 worth of electricity in 15 days. a Graph the relationship between the cost of the electricity used to operate the refrigerator and the hours the refrigerator is used. Drawf add images here • Determine the slope of the line c Describe the relationship between the unit rate within the context of the situation and the slope of the line
