The amount of eggs each of the fifteen preschool children gathered. Here is the data: 12, 9, 11, 10, 4, 14, 12, 10, 13, 12, 11, 13, 12, 9, and 10

Is there an outlier in this data? If yes, what is the outlier?

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?