Afactory bottles 511 bottles of juice in 7 minutes. find the factory's unit rate of bottles per minute

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?

Which compound inequality could be represented by the graph?

Find the percent error of the measurement 4 cm