The cost of renting roller blades is $4 plus $3.50 for each hour that the roller blades are rented. Which expression can be used to find the cost in dollars of renting roller blades for h hours? *

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.