Express 28^1/2 in simplest radical form.

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

What is the factored form of the following expressions? d^2 – 13d + 36

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?