What is the mode of the following daya set. { 4, 5, 2, 4, 9, 7, 5, 5, 2, 8 } a. 5 b. 5.1 c. 4.9 d. 4.5

The mode is the number that shows up the most.

 5 is the number that shows up the most (one more than the next one that has the second most (2, which shows up twice))

A. 5, is your answer

hope this helps

Iwould say they are complementary because that’s the division of a 90 degree angle and it’s split between the middle of them