On Saturday, Luke recorded the temperature on his outside thermometer three times. When he woke up, the temperature read 79°F. By noon, the temperature had risen 15°F. When Luke went to bed, it had dropped 12°F from his last reading at noon. What was the difference in temperature when Luke went to bed compared to when he woke up?\

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.