Eliza earns $400 per week plus $15 for each new costumer she signs up. let cool represent the number of new customers. eliza signs up . write an algebra expression that show how much she earns in a week.

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.