<span>t^-6 * t^2
= t^-4
hope it helps</span>
The answer is "b"
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The mean of a set of values is the sum of the data divided by the number of entries. So in this case:

Solve for x:
55 + 67 + 56 + 49 + x = 5(55)
227 + x = 275
x = 48
The answer is 48 miles.
Answer:
29 square = 20 square+ b square
b= 21