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:
12 x 12+144
Step-by-step explanation:
52= 2(w-8) + 2x
X is the unknown length because the question is only telling us one side of the rectangle
Answer:
1.2
Step-by-step explanation: