answer is D
Explamation:
given points are (7,9) and (12,11)

therefore the mid point is (9.5,10)
Each bus was filled with 54 students
There's an app called photomath that would be useful for these kinds of problems!
Answer:
13
Step-by-step explanation:
First find the average the numbers (40 / 4 = 10)
2 are more and 2 are less
7, 9, 11, 13