Graph the quadratic function f(x)=-2x^2+6x-2.

1. what are the missing reasons in the proof 2. it's in the second picture and 3

Give me the equations of two lines that have the same slope but are not parallel.

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?