Divide 71 and 5 to get a decimal since 71 does not end with 5 or 0. Do it to get 14 1/5 or 14.2
Answer:
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Step-by-step explanation:
That looks hard
Assume that a step to the north is in the positive direction and a step in the south is in the negative direction.
Then,

and

After 1 hour of independent steps,

and

Therefore, by Central Limit Theorem, the distribution of the random walk is normal with a mean of 0 cm and a standard deviation of 17.32 cm. He is expected to be somewhere around his starting point after 1 hour.
(-1,8) or (3,8)
You cannot have to points with the same x-value in a function.