If X=3 what is the value of X(13-X)

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.

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4

How can you check that you have correctly converted frequencies to relative frequencies?