DOES ANYONE KNOW HOW TO DO THE REST OF THIS PLS HELP FASTT I WILL GIVE 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?

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show