The median is 10.5 because its the middle line in the box and all you have to do is look at it and you can see it
A. 3/2
b.0.5
c.you have to add them
The length is 54 ft because 13.5 in. is equal to .25*54 so 1*54 would be your answer in feet.
Because when you subtract a negative number the signs cancel out and become and addition problems
