Mathematics, 17.12.2021 08:00 charlettethomap7e9st

A graph titled Monthly Sales and Advertising Costs has Advertising Costs (1,000 dollars) on the x-axis and sales (1,000 dollars) on the y-axis. A line goes through points (6.4, 117) and (6.6, 120). The scatterplot and trend line show a positive correlation between advertising costs and sales. Using the points (6.4, 117) and (6.6, 120), what is the slope of the trend line? –15 –12 12 15

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