5. need help with this question - proof of congruency

Given the conditional statement, match the following. conditional statement: if two lines intersect, then their intersection is one point.

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 -6x - 7 y = 2