Alexis pls answer this question you are s good at math. (Nobody else answer this, only Alexis)

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

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?