E because you can add, subtract, multiply and divide from both sides of an equation. All of these options will work when solving for a solution set.
Hope this helps and have a great day
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Answer:
The median is 30
Step-by-step explanation:
The median is basically calculating the numbers before you, in median you need to find the middle value number. And its 30.
Given the function:

It's required to find the values of h for x = {-2, -1, 0, 1, 2}.
For x = -2:

For x = -1:

For x = 0:

For x = 1:

For x = 2:
To find how many miles per hour, we divide the number of miles hiked by the number of hours it took to hike them.
=15.12 miles ÷ 6.3 hours
=2.4 miles hiked per hour
Hope this helps! :)