What is the difference between the 7th square number and the 2nd square number

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Which statements regarding efg are true? check all that apply.

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 california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.