In order to find the average you have to add up all the data values and then find the sum of the data values.

So on average he ran about 82.5 miles.
Answer:
Option in the "bottom left" is correct choice.
Step-by-step explanation:
The volume of a sphere will become 27 times greater if diameter is tripled.
4*-5 is -20 is does not equal -25 so it’s false
Answer:
x = 64
Step-by-step explanation:
looking at the other sides, you find that each side had just been doubled.