Answer:
Step-by-step explanation:
associative property because the numbers are changing in postition throughout the equation.
Sort the numbers in ascending or descending order, then eliminate the greatest and least numbers until you're left with the middle two. The median is the average of the last two numbers.
For example, the median for the set

is 3 because the middle two numbers are 2 and 4, and their average is

.
A person drives 500 miles in 5 hours.
Answer:
1. (1,10) 2. (2,-3) 3. (3,3)