Ivy and Elaine work at two different branches of a national women's clothing store. Ivy works in New York City, while Elaine works in Atlanta. The mean salary at Ivy's store is $950 per week with a standard deviation of $120. Ivy earns $1,130 per week. Calculate the z-score of her salary. The mean salary at Elaine's store is $575 per week with a standard deviation of $100. Elaine earns $725 per week. Calculate the z-score of her salary