What is the parent function of 5^(x-2)

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?

Which of the following transformations will always produce a congruent figure?

Are the corresponding angles congruent? explain why or why not.