As an estimation we are told 5 miles is 8km convert 112km to miles

69.5935735 miles or about 70 miles

Step-by-step explanation:

7

step-by-step explanation:

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square