Find the savings plan balance after 6 months with an apr of 9% and monthly payments of $100

Me! a store owner recorded the total number of customers that visited his store at the end of each hour that the store was open. he created the scatterplot, trend line, and equation below based on the data. store customers assuming that the trend continues, which is the best estimate for the number of hours that the store will have been open when the total customer count is 310? 11 12 13 14