What are all the factors of 54?
1, 2, 6, 9, 26, 54
1, 2, 6, 9, 27, 54
1, 2, 3, 6, 9, 18, 26, 54
1, 2, 3, 6, 9, 18, 27, 54

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

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?

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?