On Tuesday, Emma's thermometer showed a temperature of -8 degrees when she woke up. The temperature then rose 1 degree every hour. Write an expression that represents the temperature change on Tuesday. Use the variables t for temperature and h for hours.

4. find the geometric mean of 4 and 12. 24 8

Which graph represents the following piecewise defined function?

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.