Why is nato still relevant today?
a. communism is still a threat to democracy.
b. allied nations should always be ready to respond to threats.
c. the european union is a new threat to democracy.
d. its growth makes it virtually impossible for member countries to be attacked.

b. allied nations should always be ready to respond to threats.

the median of the data is 4.

step-by-step explanation:

the median means the middle number of a given number.

to decide which one is the median, arrange in ascending or descending order. but sometimes, you may find two(2) number in the middle, but it's easy, just add them together and divide by 2.

so,   determine the median of the data. 2, 3, 3, 4, 5, 7, 9

it is already arranged, count 3 times forward and 3 backward and the one left is your answer.

2,3,3,4,5,7,9

our answer is 4.

hope this !

its kind of blury sorry