PLEASE HELP FIRST ANSWER GETS BRAINLIEST OR WHATEVER ITS CALLED

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?

Give the functions f(x) = |x + 2| - 3, what is the domain? a,b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x