Help me out! The table below shows results of the 2008 Presidential Election between Barack Obama (D) and John McCain (R) and a table listing the median resident age and household income for several cities in Florida.
Which of the following statements can you prove to be true using the table?

a. Low income voters are more likely to vote for a Democratic candidate.

b. Democrats are more likely to have good paying jobs that require a college degree.

c. More people are more likely to vote for a Democratic candidate as they get older.

d. The age of Democratic voters is always lower than that of Republican voters.