Answer:
12(2r + 3) is the completed form.
<h2>ANSWER : </h2>
<h2><<< In this case, the mode is 9 seconds. The median is the middle number in a list of numbers ordered from smallest to largest. so 10 is the median of this set of results. The range is the difference between the lowest value and the highest value, so the range here is 15 - 9 = 6. </h2>

27mi/60min=9/20
9mi/20min=xmi/1min
Cross multiply
Divide by 20 on both sides
<span>x= 9/20
</span>
Fort Sumter, Battle of Bull Run, <span>Battle of Shiloh, Battle of Vicksburg and Battle of </span>Gettysburg