Find The standard deviation of the PD

When ∆rst is translated 4 units down, what are the apparent coordinates of t’? give 15 points

When only separate discreet points are graphed it is called?

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?