Which function represents a reflection of f(x) = (2)x over the x-axis?

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

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?