(4,4,5,5,5,6,6,6,7,7,7,7)
<span>The pulse rate of an adult horse at rest averages 30-40 beats per minute.</span>

Step-by-step explanation:
That is the answer if the equation looks like this:
Given:
(4k⁷)³ = 4n(k⁷)³
Note that (aˣ)ⁿ = aˣⁿ
Expand the left and right sides.
4³k²¹ = 4nk²¹
Divide each side by k²¹.
4³ = 4n
Divide each side by 4.
4² = n
Therefore
n = 4² = 16
Answer: n = 16
Step-by-step explanation:
B. 426 people per square. mile