Which of these statements most accurately describes the costs and benefits of using a credit card?
a. credit cards are conveniant but can result in debt.
b. credit cards charge low interest on high cost items.
c. credit cards cost money to use but result in lower prices.
d. credit cards expand purchasing power but produce waste.
d.

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 !