How many years did the Hellenistic Age of Greece last?
20
40
30
10

20

Explanation:

answer; i believe the correct answer is (a) the correlation between the cause variable and outcome variable is zero;

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.