I was wondering if someone can help me with this. There were some that I found of this that didn't help at all and all they put was 3 400. I'll mark the first answer Brainliest.

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?

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours