3. One of the steps Dave used to solve an equation is shown belo
3:0 + 9 = 21
3.0 + 9 -9 = 21 - 9
Which statement describes the pro
procedure Day
ed in this step and identities the property that justifies the procedure

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.