Mathematics question solving for matrices

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

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.

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.