Median is the middle number so it would be 250
8, the answer needs to be more than a certain amount of characters.

The last choice is appropriate.
Answer:
Step-by-step explanation:
4ox-16=4[10x-4]this is because 4 is the common factor in both 40and 16
16x-24x-4±12=4[4x-6x-1±3]
-8x-8=8[-1-1]