Round 88.28 to the nearest whole number

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

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 steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10