What are the expressions equal too 0.09x0.4

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

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.