Which set of data is influenced by an extreme y value compared to other data points

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?