A bicycle store costs ​$3750 per month to operate. The store pays an average of ​$60 per bike. The average selling price of each bicycle is ​$110. How many bicycles must the store sell each month to break​ even?

Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.