What are the coordinates for point D that would make triangle abc congruent to triangle def?

How do i do this? i don’t understand

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2