If the simple interest on ​$7,000 for 5 years is ​$2,100​, then what is the interest​ rate? The rate is %.

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

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.